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Li F, Ramirez Y, Yano Y, Daniel CR, Sharma SV, Brown EL, Li R, Moshiree B, Loftfield E, Lan Q, Sinha R, Inoue-Choi M, Vogtmann E. The association between inflammatory bowel disease and all-cause and cause-specific mortality in the UK Biobank. Ann Epidemiol 2023; 88:15-22. [PMID: 38013230 PMCID: PMC10842122 DOI: 10.1016/j.annepidem.2023.10.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 10/05/2023] [Accepted: 10/26/2023] [Indexed: 11/29/2023]
Abstract
PURPOSE Inflammatory bowel disease (IBD) has a rising global prevalence. However, the understanding of its impact on mortality remains inconsistent so we explored the association between IBD and all-cause and cause-specific mortality. METHODS This study included 502,369 participants from the UK Biobank, a large, population-based, prospective cohort study with mortality data through 2022. IBD was defined by baseline self-report or from primary care or hospital admission data. We estimated hazard ratios (HRs) and 95% confidence intervals (CIs) for all-cause and cause-specific mortality in multivariable Cox proportional hazards regression models. RESULTS A total of 5799 (1.2%) participants had a history of IBD at baseline. After a median follow-up of 13.7 years, 44,499 deaths occurred. Having IBD was associated with an increased risk of death from all causes (HR = 1.16, 95% CI = 1.07-1.24) and cancer (HR = 1.16, 95% CI = 1.05-1.30), particularly colorectal cancer (CRC) (HR = 1.56, 95% CI = 1.17-2.09). We observed elevated breast cancer mortality rates for individuals with Crohn's disease, and increased CRC mortality rates for individuals with ulcerative colitis. In stratified analyses of IBD and all-cause mortality, mortality risk differed by individuals' duration of IBD, age at IBD diagnosis, body mass index (BMI) (PHeterogeneity = 0.03) and smoking status (PHeterogeneity = 0.01). Positive associations between IBD and all-cause mortality were detected in individuals diagnosed with IBD for 10 years or longer, those diagnosed before the age of 50, all BMI subgroups except obese individuals, and in never or current, but not former smokers. CONCLUSIONS We found that having IBD was associated with increased risks of mortality from all causes, all cancers, and CRC. This underscores the importance of enhanced patient management strategies and targeted prevention efforts in individuals with IBD.
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Affiliation(s)
- Fangyu Li
- Metabolic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD
| | - Yesenia Ramirez
- Metabolic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD
| | - Yukiko Yano
- Metabolic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD
| | - Carrie R Daniel
- Department of Epidemiology, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Shreela V Sharma
- Department of Epidemiology, Human Genetics and Environmental Sciences, School of Public Health, University of Texas Health Science Center at Houston
| | - Eric L Brown
- Department of Epidemiology, Human Genetics and Environmental Sciences, School of Public Health, University of Texas Health Science Center at Houston
| | - Ruosha Li
- Department of Biostatistics and Data Science, School of Public Health, University of Texas Health Science Center at Houston
| | - Baharak Moshiree
- Division of Gastroenterology, Hepatology, and Nutrition, Atrium Health, Wake Forest University, Charlotte, NC
| | - Erikka Loftfield
- Metabolic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD
| | - Qing Lan
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD
| | - Rashmi Sinha
- Metabolic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD
| | - Maki Inoue-Choi
- Metabolic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD
| | - Emily Vogtmann
- Metabolic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD.
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Kwon OC, Lee SY, Chun J, Han K, Kim Y, Kim R, Park MC, Kim JH, Youn YH, Park H. Risk of all-cause and cause-specific mortality associated with immune-mediated inflammatory diseases in Korea. Front Med (Lausanne) 2023; 10:1185300. [PMID: 37409280 PMCID: PMC10319061 DOI: 10.3389/fmed.2023.1185300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 05/18/2023] [Indexed: 07/07/2023] Open
Abstract
Objective Immune-mediated inflammatory disease (IMID) is associated with an increased risk of mortality. It is unclear whether the higher mortality is attributable to the IMIDs themselves or to the higher prevalence of comorbidities in IMIDs. We aimed to investigate whether IMIDs per se confer a higher risk of mortality. Methods From the Korean National Health Insurance Service-National Sample Cohort database, this population-based cohort study included 25,736 patients newly diagnosed with IMIDs between January 2007 and December 2017, and 128,680 individuals without IMIDs who were matched for age, sex, income, hypertension, type 2 diabetes, dyslipidemia, and the Charlson comorbidity index. All individuals were retrospectively observed through December 31, 2019. The outcomes included all-cause and cause-specific mortalities. Adjustments for age, sex, and comorbidities were performed using multivariable Cox proportional hazard regression analyses, and adjusted hazard ratios (aHRs) with 95% confidence intervals (CIs) for the outcomes were estimated. Results The adjusted risk of all-cause mortality was significantly lower in patients with IMIDs than that in those without (aHR, 0.890; 95% CI, 0.841-0.942). Regarding cause-specific mortality, cancer-specific (aHR, 0.788; 95% CI, 0.712-0.872) and cardiovascular disease-specific (aHR, 0.798; 95% CI, 0.701-0.908) mortalities were the two causes of death that showed significantly lower risks in patients with IMIDs. A similar trend was observed when organ based IMIDs were analyzed separately (i.e., gut, joint, and skin IMIDs). Conclusion After adjusting for comorbidities, IMIDs were associated with a lower risk of all-cause mortality compared to those without IMIDs. This was attributable to the lower risks of cancer-and cardiovascular disease-specific mortalities.
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Affiliation(s)
- Oh Chan Kwon
- Division of Rheumatology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - See Young Lee
- Division of Gastroenterology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Jaeyoung Chun
- Division of Gastroenterology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Kyungdo Han
- Department of Statistics and Actuarial Science, Soongsil University, Seoul, Republic of Korea
| | - Yuna Kim
- Division of Gastroenterology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Ryul Kim
- Department of Neurology, Inha University Hospital, Incheon, Republic of Korea
| | - Min-Chan Park
- Division of Rheumatology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Jie-Hyun Kim
- Division of Gastroenterology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Young Hoon Youn
- Division of Gastroenterology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Hyojin Park
- Division of Gastroenterology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
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Kommuru S, Aziz SN, Sagireddy S, Kaur G, Rijal S, Loh CC, Ibrahim Y, Patel V. Risk Factors for Colorectal Cancer in Inpatients With Ulcerative Colitis: A Nationwide Cross-Sectional Analysis. Cureus 2022; 14:e27114. [PMID: 36004040 PMCID: PMC9392494 DOI: 10.7759/cureus.27114] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/21/2022] [Indexed: 11/10/2022] Open
Abstract
Objectives The objective is to study the demographic and geographical factors that increase the risk of colorectal cancer (CRC) in inpatients with ulcerative colitis (UC) and evaluate the mortality risk and hospitalization outcomes in terms of length of stay (LOS) and cost of care in patients with CRC in UC. Methods We conducted a cross-sectional study using the nationwide inpatient sample (NIS, 2019). We included 78,835 inpatients (age 15-65 years) hospitalized on emergency-based admissions with a primary diagnosis of UC. The study sample was divided by the presence of CRC. Categorical and continuous data were analyzed using Pearson’s chi-square test and independent-sample t-test respectively. Independent binomial logistic regression models were used to evaluate the odds ratio (OR) of predictors associated with CRC in patients with UC compared to non-CRC. Results The prevalence of CRC in inpatients with UC was 0.2%, and the mean age for admission of patients with UC with CRC was 49.6 years (SD ± 10.29). A directly proportionate relationship exists between increasing age and the risk of CRC in UC inpatients with 10 times higher odds seen in 51-65 years of age (OR 10.0, 95% CI 5.11-19.61). Males (OR 2.15, 95% CI 1.49-3.08) and Hispanics (OR 1.69, 95% CI 1.04-2.74) are at higher odds for CRC compared to their counterparts. Acquired immunodeficiency syndrome (AIDS) was associated with increased odds (OR 6.23, 95% CI 2.48-15.68) for CRC in UC inpatients. There existed an increased association for CRC in UC inpatients with complicated hypertension, and alcohol and drug abuse but was statistically non-significant. As per the adjusted regression model, CRC in UC inpatients increased the risk of in-hospital mortality (OR 41.09, 95% CI 19.49-86.58). Conclusions CRC was more prevalent in middle-aged Caucasian males with UC and those with chronic comorbidities including complicated diabetes and hypertension, alcohol abuse, and AIDS. Patients with UC and AIDS were found to have greater odds of developing CRC. A high index of clinical suspicion is needed in the management of these patient groups as the inpatient mortality risk was higher in UC inpatients with CRC.
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Celdir MG, Jansson-Knodell CL, Hujoel IA, Prokop LJ, Wang Z, Murad MH, Murray JA. Latitude and Celiac Disease Prevalence: A Meta-Analysis and Meta-Regression. Clin Gastroenterol Hepatol 2022; 20:e1231-e1239. [PMID: 33007509 DOI: 10.1016/j.cgh.2020.09.052] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 09/15/2020] [Accepted: 09/20/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS The latitudinal gradient effect is described for several autoimmune diseases including celiac disease in the United States. However, the association between latitude and global celiac disease prevalence is unknown. We aimed to explore the association between latitude and serology-based celiac disease prevalence through meta-analysis. METHODS We searched MEDLINE, Embase, Cochrane, and Scopus databases from their beginning through June 29, 2018, to identify screening studies that targeted a general population sample, used serology-based screening tests, and provided a clear location from which we could assign a latitude. Studies were excluded if sampling was based on symptoms, risk factors, or referral. Study selection and data extraction were performed by independent reviewers. The association measures between latitude and prevalence of serology-based celiac disease were evaluated with random-effects meta-analyses and meta-regression. RESULTS Of the identified 4667 unique citations, 128 studies were included, with 155 prevalence estimates representing 40 countries. Celiac disease was more prevalent at the higher latitudes of 51° to 60° (relative risk [RR], 1.62; 95% CI, 1.09-2.38) and 61° to 70° (RR, 2.30; 95% CI, 1.36-3.89) compared with the 41° to 50° reference level. No statistically significant difference was observed at lower latitudes. When latitude was treated as continuous, we found a statistically significant association between CD prevalence and latitude overall in the world (RR, 1.03, 95% CI, 1.01-1.05) and a subregional analysis of Europe (RR, 1.05; 95% CI, 1.02-1.07) and North America (RR, 1.1; 95% CI, 1.0-1.2). CONCLUSIONS In this comprehensive review of screening studies, we found that a higher latitude was associated with greater serology-based celiac disease prevalence.
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Affiliation(s)
- Melis G Celdir
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | | | - Isabel A Hujoel
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota
| | | | - Zhen Wang
- Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery, Mayo Clinic, Rochester, Minnesota
| | - M Hassan Murad
- Robert D. and Patricia E. Kern Center for the Science of Health Care Delivery, Mayo Clinic, Rochester, Minnesota
| | - Joseph A Murray
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota.
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Xu F, Wheaton AG, Liu Y, Greenlund KJ. Major ambulatory surgery among US adults with inflammatory bowel disease, 2017. PLoS One 2022; 17:e0264372. [PMID: 35202440 PMCID: PMC8870533 DOI: 10.1371/journal.pone.0264372] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 02/09/2022] [Indexed: 01/13/2023] Open
Abstract
Background Patients with inflammatory bowel disease (IBD) have higher health services use than those without IBD. We investigated patient and hospital characteristics of major ambulatory surgery encounters for Crohn’s disease (CD) or ulcerative colitis (UC) vs non-IBD patients. Methods We conducted a cross-sectional study using 2017 Nationwide Ambulatory Surgery Sample. Major ambulatory surgery encounters among patients aged ≥18 years with CD (n = 20,635) or UC (n = 9,894) were compared to 9.4 million encounters among non-IBD patients. Weighted percentages of patient characteristics (age, sex, median household income, primary payers, patient location, selected comorbidities, discharge destination, type of surgeries) and hospital-related characteristics (hospital size, ownership, location and teaching status, region) were compared by IBD status (CD, UC, and no IBD). Linear regression was used to estimate mean total charges, controlling for these characteristics. Results Compared with non-IBD patients, IBD patients were more likely to have private insurance, reside in urban areas and higher income zip codes, and undergo surgeries in hospitals that were private not-for-profit, urban teaching, and in the Northeast. Gastrointestinal surgeries were more common among IBD patients. Some comorbidities associated with increased risk of surgical complications were more prevalent among IBD patients. Total charges were 9% lower for CD patients aged <65 years (Median: $16,462 vs $18,106) and 6% higher for UC patients aged ≥65 years (Median: $16,909 vs $15,218) compared to their non-IBD patient counterparts. Conclusions Differences in characteristics of major ambulatory surgery encounters by IBD status may identify opportunities for efficient resource allocation and positive surgical outcomes among IBD patients.
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Affiliation(s)
- Fang Xu
- Division of Population Health, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, GA, United States of America
- * E-mail:
| | - Anne G. Wheaton
- Division of Population Health, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, GA, United States of America
| | - Yong Liu
- Division of Population Health, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, GA, United States of America
| | - Kurt J. Greenlund
- Division of Population Health, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, GA, United States of America
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Abstract
Evidence from recent epidemiological data suggests that the patient population with inflammatory bowel disease (IBD) is chronologically aging. As these individuals become older, cellular senescence leads to a state of chronic inflammation. This process, known as inflammaging, is thought to be closely linked with biological aging and may be upregulated within IBD. As a consequence, we see an increased risk of aging-related disorders within IBD. In addition, we see that frailty, which results from physiologic decline, is increasing in prevalence and is associated with adverse clinical outcomes in IBD. As such, in this review we explore the potential overlapping biology of IBD and aging, discuss the risk of aging-related disorders in IBD, and describe frailty and its relation to clinical outcomes within IBD. Finally, we discuss current considerations for clinical care and potential research avenues for further investigation.
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Affiliation(s)
- Adam S Faye
- Department of Medicine, Dr. Henry D. Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Jean-Frederic Colombel
- Department of Medicine, Dr. Henry D. Janowitz Division of Gastroenterology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
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Xu F, Wheaton AG, Barbour KE, Liu Y, Greenlund KJ. Trends and Outcomes of Hip Fracture Hospitalization Among Medicare Beneficiaries with Inflammatory Bowel Disease, 2000-2017. Dig Dis Sci 2021; 66:1818-1828. [PMID: 32700169 PMCID: PMC10416557 DOI: 10.1007/s10620-020-06476-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 07/04/2020] [Indexed: 12/09/2022]
Abstract
BACKGROUND Patients with inflammatory bowel disease (IBD) have a higher risk of hip fracture, but lower likelihood of having arthroplasties than non-IBD patients in Nationwide Inpatient Sample. Little is known about hip fracture-associated hospitalization outcomes. AIMS We assessed the trends in hip fracture hospitalization rates from 2000 to 2017 and estimated 30-day readmission, 30-day mortality, and length of stay in 2016 and 2017. METHODS We estimated trends of age-adjusted hospitalization rates using a piecewise linear regression. Medicare beneficiaries aged ≥ 66 years with Crohn's disease (CD, n = 2014) or ulcerative colitis (UC, n = 2971) hospitalized for hip fracture were identified. We performed propensity score matching to create 1:3 matched samples on age, race/ethnicity, sex, and chronic conditions and compared hospitalization outcomes between matched samples. RESULTS In 2017, the age-adjusted hospitalization rates (per 100) were 1.15 [95% CI = (1.07-1.24)] for CD, 0.86 [95% CI = (0.82-0.89)] for UC, and 0.59 [95% CI = (0.59-0.59)] for no IBD. The hospitalization rates for CD and UC decreased from 2000 to 2012 and then increased from 2012 to 2017. Compared to matched cohorts, CD patients had longer hospital stays (5.55 days vs. 5.30 days, p = 0.01); UC patients were more likely to have 30-day readmissions (17.27% vs. 13.71%, p < 0.001), longer hospital stays (5.59 days vs. 5.40 days, p = 0.02), and less likely to have 30-day mortality (3.77% vs. 5.15%, p = 0.003). CONCLUSIONS Prevention of hip fracture is important for older adults with IBD, especially CD. Strategies that improve quality of inpatient care for IBD patients hospitalized for hip fracture should be considered.
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Affiliation(s)
- Fang Xu
- Division of Population Health, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, 4770 Buford Highway NE, Atlanta, GA, 30341, USA.
| | - Anne G Wheaton
- Division of Population Health, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, 4770 Buford Highway NE, Atlanta, GA, 30341, USA
| | - Kamil E Barbour
- Division of Population Health, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, 4770 Buford Highway NE, Atlanta, GA, 30341, USA
| | - Yong Liu
- Division of Population Health, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, 4770 Buford Highway NE, Atlanta, GA, 30341, USA
| | - Kurt J Greenlund
- Division of Population Health, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, 4770 Buford Highway NE, Atlanta, GA, 30341, USA
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Xu F, Carlson SA, Liu Y, Greenlund KJ. Prevalence of Inflammatory Bowel Disease Among Medicare Fee-For-Service Beneficiaries - United States, 2001-2018. MMWR Morb Mortal Wkly Rep 2021; 70:698-701. [PMID: 33983913 PMCID: PMC8118152 DOI: 10.15585/mmwr.mm7019a2] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Fang Xu
- Division of Population Health, National Center for Chronic Disease Prevention and Health Promotion, CDC
| | - Susan A Carlson
- Division of Population Health, National Center for Chronic Disease Prevention and Health Promotion, CDC
| | - Yong Liu
- Division of Population Health, National Center for Chronic Disease Prevention and Health Promotion, CDC
| | - Kurt J Greenlund
- Division of Population Health, National Center for Chronic Disease Prevention and Health Promotion, CDC
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9
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Loftus EV. The increasing burden of inflammatory bowel disease. Med J Aust 2021; 214:361-362. [PMID: 33774833 DOI: 10.5694/mja2.51001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 02/25/2021] [Accepted: 02/25/2021] [Indexed: 11/17/2022]
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Cohen-Mekelburg S, Wallace BI, Van T, Wiitala WL, Govani SM, Burns J, Lipson R, Yun H, Hou J, Lewis JD, Dominitz JA, Waljee AK. Association of Anti-Tumor Necrosis Factor Therapy With Mortality Among Veterans With Inflammatory Bowel Disease. JAMA Netw Open 2021; 4:e210313. [PMID: 33646314 PMCID: PMC7921894 DOI: 10.1001/jamanetworkopen.2021.0313] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
IMPORTANCE Inflammatory bowel disease (IBD) is commonly treated with corticosteroids and anti-tumor necrosis factor (TNF) drugs; however, medications have well-described adverse effects. Prior work suggests that anti-TNF therapy may reduce all-cause mortality compared with prolonged corticosteroid use among Medicare and Medicaid beneficiaries with IBD. OBJECTIVE To examine the association between use of anti-TNF or corticosteroids and all-cause mortality in a national cohort of veterans with IBD. DESIGN, SETTING, AND PARTICIPANTS This cohort study used a well-established Veteran's Health Administration cohort of 2997 patients with IBD treated with prolonged corticosteroids (≥3000-mg prednisone equivalent and/or ≥600 mg of budesonide within a 12-month period) and/or new anti-TNF therapy from January 1, 2006, to October 1, 2015. Data were analyzed between July 1, 2019, and December 31, 2020. EXPOSURES Use of corticosteroids or anti-TNF. MAIN OUTCOMES AND MEASURES The primary end point was all-cause mortality as defined by the Veterans Health Administration vital status file. Marginal structural modeling was used to compare associations between anti-TNF therapy or corticosteroid use and all-cause mortality. RESULTS A total of 2997 patients (2725 men [90.9%]; mean [SD] age, 50.0 [17.4] years) were included in the final analysis, 1734 (57.9%) with Crohn disease (CD) and 1263 (42.1%) with ulcerative colitis (UC). All-cause mortality was 8.5% (n = 256) over a mean (SD) of 3.9 (2.3) years' follow-up. At cohort entry, 1836 patients were new anti-TNF therapy users, and 1161 were prolonged corticosteroid users. Anti-TNF therapy use was associated with a lower likelihood of mortality for CD (odds ratio [OR], 0.54; 95% CI, 0.31-0.93) but not for UC (OR, 0.33; 95% CI, 0.10-1.10). In a sensitivity analysis adjusting prolonged corticosteroid users to include patients receiving corticosteroids within 90 to 270 days after initiation of anti-TNF therapy, the OR for UC was statistically significant, at 0.33 (95% CI, 0.13-0.84), and the OR for CD was 0.55 (95% CI, 0.33-0.92). CONCLUSIONS AND RELEVANCE This study suggests that anti-TNF therapy may be associated with reduced mortality compared with long-term corticosteroid use among veterans with CD, and potentially among those with UC.
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Affiliation(s)
- Shirley Cohen-Mekelburg
- Department of Internal Medicine, University of Michigan, Ann Arbor
- Veterans Affairs Center for Clinical Management Research, Veterans Affairs Ann Arbor Healthcare System, Ann Arbor, Michigan
- Institute for Healthcare Policy and Innovation, University of Michigan, Ann Arbor
| | - Beth I. Wallace
- Department of Internal Medicine, University of Michigan, Ann Arbor
- Veterans Affairs Center for Clinical Management Research, Veterans Affairs Ann Arbor Healthcare System, Ann Arbor, Michigan
- Institute for Healthcare Policy and Innovation, University of Michigan, Ann Arbor
| | - Tony Van
- Veterans Affairs Center for Clinical Management Research, Veterans Affairs Ann Arbor Healthcare System, Ann Arbor, Michigan
| | - Wyndy L. Wiitala
- Veterans Affairs Center for Clinical Management Research, Veterans Affairs Ann Arbor Healthcare System, Ann Arbor, Michigan
| | - Shail M. Govani
- Department of Medicine, Division of Gastroenterology, South Texas Veterans Healthcare System, San Antonio
- Department of Medicine, Division of Gastroenterology, UT Health San Antonio, San Antonio, Texas
| | - Jennifer Burns
- Veterans Affairs Center for Clinical Management Research, Veterans Affairs Ann Arbor Healthcare System, Ann Arbor, Michigan
| | - Rachel Lipson
- Veterans Affairs Center for Clinical Management Research, Veterans Affairs Ann Arbor Healthcare System, Ann Arbor, Michigan
| | - Huifeng Yun
- Department of Epidemiology, School of Public Health, University of Alabama at Birmingham
| | - Jason Hou
- Center for Innovations in Quality, Effectiveness, and Safety, Michael E DeBakey Veterans Affairs Medical Center, Houston, Texas
- Section of Gastroenterology and Hepatology, Department of Medicine, Baylor College of Medicine, Houston, Texas
| | - James D. Lewis
- Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania, Philadelphia
- Division of Gastroenterology, University of Pennsylvania, Philadelphia
- Department of Biostatistics and Epidemiology, University of Pennsylvania, Philadelphia
| | - Jason A. Dominitz
- Center for Innovations in Quality, Effectiveness, and Safety, Veterans Affairs Puget Sound Health Care System, Seattle, Washington
- Department of Internal Medicine, Division of Gastroenterology, University of Washington School of Medicine, Seattle
| | - Akbar K. Waljee
- Department of Internal Medicine, University of Michigan, Ann Arbor
- Veterans Affairs Center for Clinical Management Research, Veterans Affairs Ann Arbor Healthcare System, Ann Arbor, Michigan
- Institute for Healthcare Policy and Innovation, University of Michigan, Ann Arbor
- Michigan Integrated Center for Health Analytics and Medical Prediction, Ann Arbor
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Shi JH, Luo L, Chen XL, Pan YP, Zhang Z, Fang H, Chen Y, Chen WD, Cao Q. Real-world cost-effectiveness associated with infliximab maintenance therapy for moderate to severe Crohn’s disease in China. World J Gastroenterol 2020; 26:6455-6474. [PMID: 33244205 PMCID: PMC7656205 DOI: 10.3748/wjg.v26.i41.6455] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 08/05/2020] [Accepted: 09/17/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Infliximab was the first approved biologic treatment for moderate to severe Crohn’s disease (MS-CD) in China. However, the cost-effectiveness of infliximab maintenance therapy (IMT) for MS-CD relative to conventional maintenance therapy remained unclarified.
AIM To assess the cost-effectiveness of IMT for MS-CD in Chinese patients from the perspective of Chinese public insurance payer.
METHODS A cohort of MS-CD patients managed in a Chinese tertiary care hospital was created to compare IMT with conventional maintenance therapy (CMT) for clinical outcomes and direct medical costs over a 1-year observation time using conventional regression analyses. A decision-analytic model with the generated evidence was constructed to assess the cost-effectiveness of IMT relative to CMT using reimbursed medical costs.
RESULTS Based on the included 389 patients, IMT was associated with significantly higher disease remission chance [odds ratio: 4.060, P = 0.003], lower risk of developing new complications (odds ratio: 0.527, P = 0.010), higher utility value for quality of life (coefficient 0.822, P = 0.008), and lower total hospital costs related to disease management (coefficient -0.378, P = 0.008) than CMT. Base-case cost-effectiveness analysis estimated that IMT could cost Chinese health insurance payers ¥55260 to gain one quality-adjusted life year (QALY). The cost-effectiveness of IMT was mainly driven by the estimate of quality of life, treatment efficacy of maintenance therapy, mortality risk associated with active disease, and unit price of infliximab. The probability that IMT was cost-effective at a willingness-to-pay threshold of three times gross domestic product [2018 Chinese gross domestic product per capita (GDPPC)] was 86.4%.
CONCLUSION IMT significantly improved real-world health outcomes and cost the Chinese public health insurance payers less than one GDPPC to gain one QALY in Chinese MS-CD patients.
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Affiliation(s)
- Ji-Hao Shi
- Department of Gastroenterology, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou 310016, Zhejiang Province, China
| | - Liang Luo
- Department of Gastroenterology, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou 310016, Zhejiang Province, China
| | - Xiao-Li Chen
- Department of Gastroenterology, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou 310016, Zhejiang Province, China
| | - Yi-Peng Pan
- Department of Gastroenterology, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou 310016, Zhejiang Province, China
| | - Zhou Zhang
- Department of Gastroenterology, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou 310016, Zhejiang Province, China
| | - Hao Fang
- Department of Gastroenterology, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou 310016, Zhejiang Province, China
| | - Ying Chen
- Department of Project, Changsha Normin Health Technology Ltd, Changsha 410013, Hunan Province, China
| | - Wen-Dong Chen
- Department of HEOR, Normin Health Consulting Ltd, Toronto L5R 0E9, Ontario, Canada
| | - Qian Cao
- Department of Gastroenterology, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou 310016, Zhejiang Province, China
- Inflammatory Bowel Disease Center, Sir Run Run Shaw Hospital, Hangzhou 310016, Zhejiang Province, China
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12
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Bartko J, Reichardt B, Kocijan R, Klaushofer K, Zwerina J, Behanova M. Inflammatory Bowel Disease: A Nationwide Study of Hip Fracture and Mortality Risk After Hip Fracture. J Crohns Colitis 2020; 14:1256-1263. [PMID: 32170313 DOI: 10.1093/ecco-jcc/jjaa052] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
BACKGROUND AND AIMS With rising rates of inflammatory bowel diseases [IBD] in older adults, management of comorbidities such as osteoporosis is becoming increasingly important. Hip fracture [HF] is the most serious consequence of low bone mineral quality and is associated with excess risk of mortality. For older IBD patients, there are only limited data available. Therefore, we aimed to assess the association of IBD with HF, and all-cause mortality risk after HF, among IBD patients older than 50 years. METHODS In a national database-registered case-control study, 56 821 HF cases aged ≥50 years, and 113 718 age-, sex- and region-matched non-hip-fracture controls, were analysed between 2012 and 2016. A history of IBD was assessed from data from Austrian social health insurance funds. Logistic regression and Cox proportional multivariate models were used to test the association of IBD with HF and post-hip fracture mortality risk. RESULTS A total of 531 patients were identified with IBD (25.0% men, mean age 81.2 years, standard deviation [SD] 9.7). Analysis, adjusted for anti-osteoporotic treatment, use of glucocorticoids, and selected medications, showed that IBD patients had an increased odds of HF (odds ratio [[OR] 2.22, 95% confidence interval [CI] 1.86-2.64). Patients with Crohn's disease [CD] revealed a higher HF odds in contrast to patients with ulcerative colitis [OR 2.91, 95% CI 2.17-3.89 and OR 1.89, 95% CI 1.52-2.35, respectively]. Overall mortality risk after HF was higher among female CD patients [HR 1.75, 95% CI 1.28-2.41] than in the general population. CONCLUSIONS IBD was strongly associated with HF in older patients. Post-hip fracture mortality risk was elevated particularly in women with CD.
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Affiliation(s)
- Johann Bartko
- Ludwig Boltzmann Institute of Osteology at Hanusch Hospital of OEGK and AUVA Trauma Centre Meidling, 1st Med. Dept. Hanusch Hospital, Vienna, Austria
| | - Berthold Reichardt
- Austrian Social Health Insurance Fund, Österreichische Gesundheitskasse, Eisenstadt, Austria
| | - Roland Kocijan
- Ludwig Boltzmann Institute of Osteology at Hanusch Hospital of OEGK and AUVA Trauma Centre Meidling, 1st Med. Dept. Hanusch Hospital, Vienna, Austria
| | - Klaus Klaushofer
- Ludwig Boltzmann Institute of Osteology at Hanusch Hospital of OEGK and AUVA Trauma Centre Meidling, 1st Med. Dept. Hanusch Hospital, Vienna, Austria
| | - Jochen Zwerina
- Ludwig Boltzmann Institute of Osteology at Hanusch Hospital of OEGK and AUVA Trauma Centre Meidling, 1st Med. Dept. Hanusch Hospital, Vienna, Austria
| | - Martina Behanova
- Ludwig Boltzmann Institute of Osteology at Hanusch Hospital of OEGK and AUVA Trauma Centre Meidling, 1st Med. Dept. Hanusch Hospital, Vienna, Austria
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13
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Aniwan S, Limsrivilai J, Pongprasobchai S, Pausawasdi N, Prueksapanich P, Kongtub N, Rerknimitr R. Temporal trend in the natural history of ulcerative colitis in a country with a low incidence of ulcerative colitis from 2000 through 2018. Intest Res 2020; 19:186-193. [PMID: 32806871 PMCID: PMC8100373 DOI: 10.5217/ir.2020.00028] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Accepted: 05/23/2020] [Indexed: 12/30/2022] Open
Abstract
Background/Aims The incidence of ulcerative colitis (UC) in Thailand (crude incidence rate of 0.28 per 100,000 persons) is much lower than in the West. The burden of UC varies in different populations. The aim of this study was to evaluate the natural history of UC over the two decades in Bangkok, Thailand. Methods This retrospective study included patients who were diagnosed with UC between 2000 and 2018 in 2 university hospitals. To evaluate changes in the disease course, we stratified patients into 2000–2009 cohort and 2010–2018 cohort. The cumulative probability of endoscopic healing, UC-related hospitalization and colectomy was estimated using the Kaplan-Meier method. Results A total of 291 UC patients were followed for total of 2,228 person-years. Comparison between 2 cohorts, there were no differences in disease pattern and severity whereas an increase in the combination use of oral and topical mesalamine and the early use of thiopurine was observed. Only 1% of patients for each cohort required biologic agent at 5 years. The rate of achieving mucosal healing increased from 15% to 46% at 3 years (P<0.01). The rate of UC-related hospitalization decreased from 30% to 21% at 5 years (P<0.05). The rate of colectomy decreased from 6% to 2% at 5 years (P<0.05). Conclusions The natural history of UC in a low incidence country was less aggressive than the West. Over the past two decades, the rates of UC-related hospitalization and colectomy have been decreasing which were similar to the West.
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Affiliation(s)
- Satimai Aniwan
- Division of Gastroenterology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.,King Chulalongkorn Memorial Hospital, The Thai Red Cross Society, Bangkok, Thailand
| | - Julajak Limsrivilai
- Division of Gastroenterology, Department of Internal Medicine, Faculty of Medicine, Siriraj Hospital, Bangkok, Thailand
| | - Supot Pongprasobchai
- Division of Gastroenterology, Department of Internal Medicine, Faculty of Medicine, Siriraj Hospital, Bangkok, Thailand
| | - Nonthalee Pausawasdi
- Division of Gastroenterology, Department of Internal Medicine, Faculty of Medicine, Siriraj Hospital, Bangkok, Thailand
| | - Piyapan Prueksapanich
- Division of Gastroenterology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.,King Chulalongkorn Memorial Hospital, The Thai Red Cross Society, Bangkok, Thailand
| | - Natanong Kongtub
- Division of Gastroenterology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.,King Chulalongkorn Memorial Hospital, The Thai Red Cross Society, Bangkok, Thailand
| | - Rungsun Rerknimitr
- Division of Gastroenterology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.,King Chulalongkorn Memorial Hospital, The Thai Red Cross Society, Bangkok, Thailand
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14
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King D, Reulen RC, Thomas T, Chandan JS, Thayakaran R, Subramanian A, Gokhale K, Bhala N, Nirantharakumar K, Adderley NJ, Trudgill N. Changing patterns in the epidemiology and outcomes of inflammatory bowel disease in the United Kingdom: 2000-2018. Aliment Pharmacol Ther 2020; 51:922-934. [PMID: 32237083 DOI: 10.1111/apt.15701] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 12/01/2019] [Accepted: 03/09/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND Data regarding incidence, prevalence and long-term outcomes of inflammatory bowel diseases in the UK are limited or outdated. AIMS To investigate incidence and prevalence of Crohn's disease and ulcerative colitis and risk of colorectal cancer and all-cause mortality in these diseases. METHODS Inflammatory bowel disease cases between 2000 and 2018 were identified from a national primary care database. Inflammatory bowel disease prevalence was forecast until 2025. The association between inflammatory bowel disease and colorectal cancer and all-cause mortality was investigated using age/sex-matched retrospective cohort studies. Hazard ratios were adjusted for age, sex, deprivation, comorbidity, smoking status and body mass index. RESULTS Ulcerative colitis prevalence increased from 390 to 570 per 100 000 population from 2000 to 2017. Prevalence of Crohn's disease increased from 220 to 400 per 100 000. In 2017 male Crohn's disease prevalence was 0.35% (95% confidence interval 0.34-0.36); female prevalence was 0.44% (0.43-0.45). Prevalence of inflammatory bowel disease is predicted to be 1.1% by 2025. Incidence of ulcerative colitis and Crohn's disease was 23.2 (22.8-23.6) and 14.3 (14.0-14.7) per 100 000 person-years respectively. Subjects with ulcerative colitis were more likely to develop colorectal cancer than controls (adjusted Hazard Ratio 1.40 [1.23-1.59]). Colorectal cancer rates remained stable in inflammatory bowel diseases over time. Ulcerative colitis and Crohn's disease were associated with increased risk of all-cause mortality (1.17 [1.14-1.21] and 1.42 [1.36-1.48] respectively). CONCLUSIONS The UK prevalence of inflammatory bowel disease is greater than previous reports suggest and we predict an 11% increase in prevalence by the year 2025. Mortality risk in inflammatory bowel disease and colorectal cancer risk in ulcerative colitis are increased compared to matched controls.
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Affiliation(s)
- Dominic King
- Sandwell & West Birmingham Hospitals NHS Trust, West Bromwich, UK.,Institute of Applied Health Research, University of Birmingham, Birmingham, UK
| | - Raoul C Reulen
- Institute of Applied Health Research, University of Birmingham, Birmingham, UK
| | - Tom Thomas
- Translational Gastroenterology Unit, Kennedy Institute of Rheumatology, University of Oxford, Oxford, UK
| | - Joht Singh Chandan
- Institute of Applied Health Research, University of Birmingham, Birmingham, UK
| | - Rasiah Thayakaran
- Institute of Applied Health Research, University of Birmingham, Birmingham, UK
| | | | - Krishna Gokhale
- Institute of Applied Health Research, University of Birmingham, Birmingham, UK
| | - Neeraj Bhala
- Institute of Applied Health Research, University of Birmingham, Birmingham, UK
| | | | - Nicola J Adderley
- Institute of Applied Health Research, University of Birmingham, Birmingham, UK
| | - Nigel Trudgill
- Sandwell & West Birmingham Hospitals NHS Trust, West Bromwich, UK
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15
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Chen H, Shi J, Pan Y, Zhang Z, Fang H, Chen Y, Chen W, Cao Q. Cost-Effectiveness of Reimbursing Infliximab for Moderate to Severe Crohn's Disease in China. Adv Ther 2020; 37:431-449. [PMID: 31797196 DOI: 10.1007/s12325-019-01150-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Indexed: 12/11/2022]
Abstract
OBJECTIVES To assess the cost-effectiveness of reimbursing infliximab for moderate-to-severe Crohn's disease (MS-CD) in China from the perspective of public insurance payers. METHODS A decision-analytic model with a lifetime time horizon was constructed to simulate the disease progression and direct medical costs in Chinese MS-CD patients under two scenarios: reimbursing infliximab vs. not reimbursing infliximab. A cross-sectional study and literature review were conducted to estimate model variables. The constructed decision-analytic model ran the base case, one-way sensitivity, and probabilistic sensitivity analyses (PSA) to assess the cost-effectiveness of reimbursing infliximab using reimbursed medical costs. RESULTS Base case analysis discounting health benefits and costs estimated that reimbursing infliximab could increase overall survival by 0.604 years, increase total quality-adjusted life years (QALY) by 0.697 QALY, reduce absolute lifetime surgery risk by 13.1%, and increase reimbursed costs by ¥29,409. The incremental cost-effectiveness ratio per gained additional QALY (ICER) based on discounted health benefits and reimbursed medical costs (3% per year) was ¥42,198. The one-way sensitivity analyses identified that the cost-effectiveness of reimbursing infliximab for MS-CD was mainly driven by the treatment efficacies of maintenance therapy, quality of life, and unit price of infliximab. PSA estimated that reimbursing infliximab was associated with a 63.8% chance to be cost-effective under the willingness-to-pay of the 2018 Chinese gross domestic product per capita (GDPPC). CONCLUSION Reimbursing infliximab for MS-CD in Chinese patients was highly attractive, costing Chinese public insurance payers less than the 2018 Chinese GDPPC to gain 1 QALY.
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16
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Park S, Chun J, Han KD, Soh H, Choi K, Kim JH, Lee J, Lee C, Im JP, Kim JS. Increased end-stage renal disease risk in patients with inflammatory bowel disease: A nationwide population-based study. World J Gastroenterol 2018; 24:4798-4808. [PMID: 30479466 PMCID: PMC6235796 DOI: 10.3748/wjg.v24.i42.4798] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Revised: 10/17/2018] [Accepted: 10/21/2018] [Indexed: 02/06/2023] Open
Abstract
AIM To estimate the risk of end-stage renal disease (ESRD) in patients with inflammatory bowel disease (IBD).
METHODS From January 2010 to December 2013, patients with Crohn’s disease (CD) and ulcerative colitis (UC) were identified, based on both the International Classification of Diseases, 10th revision (ICD-10) and the rare, intractable disease registration program codes from the National Health Insurance (NHI) database in South Korea. We compared 38812 patients with IBD to age- and sex-matched non-IBD controls with a ratio of 1:3. Patients newly diagnosed with ESRD were identified with the ICD-10 code.
RESULTS During a mean follow-up of 4.9 years, ESRD was detected in 79 (0.2%) patients with IBD and 166 (0.1%) controls. The incidence of ESRD in patients with IBD was 0.42 per 1000 person-years. Patients with IBD had a significantly higher risk of ESRD than controls [adjusted hazard ratio (HR) = 3.03; 95% confidence interval (CI): 1.77-5.20; P < 0.001]. The incidences (per 1000 person-years) of ESRD were 0.51 in patients with CD and 0.13 in controls, respectively (adjusted HR = 6.33; 95%CI: 2.75-14.56; P < 0.001). In contrast, the incidence of ESRD was similar between the UC and control groups (0.37 vs 0.37 per 1000 person-years; adjusted HR = 2.01; 95%CI: 0.90-4.51; P = 0.089).
CONCLUSION The risk of ESRD was elevated in patients with CD, but not UC. Patients with CD should be monitored carefully for signs of renal insufficiency.
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Affiliation(s)
- Seona Park
- Department of Internal Medicine, Liver Research Institute, Seoul National University College of Medicine, Seoul 03080, South Korea
| | - Jaeyoung Chun
- Department of Internal Medicine, Liver Research Institute, Seoul National University College of Medicine, Seoul 03080, South Korea
| | - Kyung-Do Han
- Department of Biostatistics, College of Medicine, The Catholic University of Korea, Seoul 06591, South Korea
| | - Hosim Soh
- Department of Internal Medicine, Liver Research Institute, Seoul National University College of Medicine, Seoul 03080, South Korea
| | - Kookhwan Choi
- Department of Internal Medicine, Liver Research Institute, Seoul National University College of Medicine, Seoul 03080, South Korea
| | - Ji Hye Kim
- Department of Internal Medicine, CHA Gangnam Medical Center, CHA University, Seoul 06135, South Korea
| | - Jooyoung Lee
- Department of Internal Medicine and Healthcare Research Institute, Healthcare System Gangnam Center, Seoul National University Hospital, Seoul 06236, South Korea
| | - Changhyun Lee
- Department of Internal Medicine and Healthcare Research Institute, Healthcare System Gangnam Center, Seoul National University Hospital, Seoul 06236, South Korea
| | - Jong Pil Im
- Department of Internal Medicine, Liver Research Institute, Seoul National University College of Medicine, Seoul 03080, South Korea
| | - Joo Sung Kim
- Department of Internal Medicine, Liver Research Institute, Seoul National University College of Medicine, Seoul 03080, South Korea
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