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Rose L, Schmidt A, Gehlert E, Graham LA, Aouad M, Wagner TH. Association Between Self-Reported Health and Reliance on Veterans Affairs for Health Care Among Veterans Affairs Enrollees. JAMA Netw Open 2023; 6:e2323884. [PMID: 37459100 PMCID: PMC10352854 DOI: 10.1001/jamanetworkopen.2023.23884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 06/02/2023] [Indexed: 07/20/2023] Open
Abstract
This cross-sectional study using survey data investigates the association between level of reliance on the Department of Veterans Affairs for health care and self-reported health by type of insurance coverage among VA enrollees.
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Affiliation(s)
- Liam Rose
- Health Economics Resource Center, VA Palo Alto Health Care System, Menlo Park, California
- Stanford Surgery Policy Improvement and Education Center, Stanford Medicine, Stanford, California
| | - Anna Schmidt
- Health Economics Resource Center, VA Palo Alto Health Care System, Menlo Park, California
| | - Elizabeth Gehlert
- Health Economics Resource Center, VA Palo Alto Health Care System, Menlo Park, California
| | - Laura A. Graham
- Health Economics Resource Center, VA Palo Alto Health Care System, Menlo Park, California
- Stanford Surgery Policy Improvement and Education Center, Stanford Medicine, Stanford, California
| | - Marion Aouad
- Department of Economics, University of California, Irvine
| | - Todd H. Wagner
- Health Economics Resource Center, VA Palo Alto Health Care System, Menlo Park, California
- Stanford Surgery Policy Improvement and Education Center, Stanford Medicine, Stanford, California
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Kimerling R, Zulman DM, Lewis ET, Schalet BD, Reise SP, Tamayo GC. Clinical Validity of the PROMIS Healthcare Engagement 8-Item Short Form. J Gen Intern Med 2023:10.1007/s11606-022-07992-6. [PMID: 37118561 PMCID: PMC10361929 DOI: 10.1007/s11606-022-07992-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 12/22/2022] [Indexed: 04/30/2023]
Abstract
BACKGROUND Healthcare engagement is a key measurement target for value-based healthcare, but a reliable and valid patient-reported measure has not yet been widely adopted. OBJECTIVE To assess the validity of a newly developed patient-reported measure of healthcare engagement, the 8-item PROMIS Healthcare Engagement (PHE-8a). DESIGN Prospective cohort study of the association between healthcare engagement and quality of care over 1 year. We fit mixed effects models of quality indicators as a function of engagement scores, adjusting for age, race/ethnicity, rural residence, and risk scores. PARTICIPANTS National stratified random sample of 9552 Veterans receiving Veterans Health Administration care for chronic conditions (hypertension, diabetes) or mental health conditions (depression, post-traumatic stress disorder). MAIN MEASURES Patient experience: Consumer Assessment of Health Plans and Systems communication and self-management support composites; no-show rates for primary care and mental health appointments; use of patient portal My HealtheVet; and Healthcare Effectiveness Data and Information Set electronic quality measures: HbA1c poor control, controlling high blood pressure, and hyperlipidemia therapy adherence. KEY RESULTS Higher engagement scores were associated with better healthcare quality across all outcomes, with each 5-point increase (1/2 standard deviation) in engagement scores associated with statistically significant and clinically meaningful gains in quality. Across the continuum of low to high engagement scores, we observed a concomitant reduction in primary care no-show rates of 37% and 24% for mental health clinics; an increased likelihood of My HealtheVet use of 15.4%; and a decreased likelihood of poor diabetes control of 44%. CONCLUSIONS The PHE-8a is a brief, reliable, and valid patient-reported measure of healthcare engagement. These results confirm previously untested hypotheses that patient engagement can promote healthcare quality.
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Affiliation(s)
- Rachel Kimerling
- National Center for PTSD, VA Palo Alto Health Care System, 795 Willow Rd, Menlo Park, CA, 94025, USA.
- Center for Innovation to Implementation, VA Palo Alto Health Care System, Menlo Park, CA, USA.
| | - Donna M Zulman
- Center for Innovation to Implementation, VA Palo Alto Health Care System, Menlo Park, CA, USA
- Division of Primary Care and Population Health, Stanford University School of Medicine, Stanford, CA, USA
| | - Eleanor T Lewis
- Program Evaluation and Resource Center, Office of Mental Health and Suicide Prevention, Veterans Health Administration, Washington, DC, USA
| | - Benjamin D Schalet
- Department of Medical Social Sciences, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Steven P Reise
- Department of Psychology, University of California, Los Angeles, CA, USA
| | - Gisselle C Tamayo
- National Center for PTSD, VA Palo Alto Health Care System, 795 Willow Rd, Menlo Park, CA, 94025, USA
- Center for Innovation to Implementation, VA Palo Alto Health Care System, Menlo Park, CA, USA
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Jacobs JC, Wagner TH, Trivedi R, Lorenz K, Van Houtven CH. Long-term care service mix in the Veterans Health Administration after home care expansion. Health Serv Res 2021; 56:1126-1136. [PMID: 34085283 PMCID: PMC8586480 DOI: 10.1111/1475-6773.13687] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 02/02/2021] [Accepted: 05/07/2021] [Indexed: 11/30/2022] Open
Abstract
OBJECTIVE To determine whether the Veterans Health Administration's (VHA) efforts to expand access to home- and community-based services (HCBS) after the 2001 Millennium Act significantly changed Veterans' utilization of institutional, paid home, and unpaid home care relative to a non-VHA user Medicare population that was not exposed to HCBS expansion efforts. DATA SOURCES We used linkages between the Health and Retirement Study and VHA administrative data from 1998 until 2012. STUDY DESIGN We conducted a retrospective-matched cohort study using coarsened exact matching to ensure balance on observable characteristics for VHA users (n = 943) and nonusers (n = 6106). We used a difference-in-differences approach with a person fixed-effects estimator. DATA COLLECTION/EXTRACTION METHODS Individuals were eligible for inclusion in the analysis if they were age 65 or older and indicated that they were covered by Medicare insurance in 1998. Individuals were excluded if they were covered by Medicaid insurance at baseline. Individuals were considered exposed to VHA HCBS expansion efforts if they were enrolled in the VHA and used VHA services. PRINCIPAL FINDINGS Theory predicts that an increase in the public allocation of HCBS will decrease the utilization of its substitutes (e.g., institutional care and unpaid caregiving). We found that after the Millennium Act was passed, there were no observed differences between VHA users and nonusers in the probability of using institutional long-term care (0.7% points, 95% CI: -0.009, 0.022) or in receiving paid help with activities of daily living (0.06% points, 95% CI: -0.011, 0.0125). VHA users received more hours of unpaid care post-Millennium Act (1.48, 95% CI: -0.232, 3.187), though this effect was not significant once we introduced controls for mental health. CONCLUSIONS Our findings indicate that mandating access to HCBS services does not necessarily imply that access to these services will follow suit.
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Affiliation(s)
- Josephine C. Jacobs
- Health Economics Resource CenterVA Palo Alto Health Care SystemMenlo ParkCaliforniaUSA
- Center for Innovation to Implementation, VA Palo Alto Health Care SystemMenlo ParkCaliforniaUSA
- Division of Primary Care and Outcomes ResearchStanford University School of MedicineStanfordCaliforniaUSA
| | - Todd H. Wagner
- Health Economics Resource CenterVA Palo Alto Health Care SystemMenlo ParkCaliforniaUSA
- Center for Innovation to Implementation, VA Palo Alto Health Care SystemMenlo ParkCaliforniaUSA
- Departments of SurgeryStanford University School of MedicineStanfordCaliforniaUSA
| | - Ranak Trivedi
- Center for Innovation to Implementation, VA Palo Alto Health Care SystemMenlo ParkCaliforniaUSA
- Department of Psychiatry and Behavioral SciencesStanford University School of MedicineStanfordCaliforniaUSA
| | - Karl Lorenz
- Center for Innovation to Implementation, VA Palo Alto Health Care SystemMenlo ParkCaliforniaUSA
- Section of Palliative Care, Division of Primary Care and Population HealthStanford University School of MedicineStanfordCaliforniaUSA
| | - Courtney H. Van Houtven
- Center of Innovation to Accelerate Discovery and Practice TransformationDurham Veterans Affairs Health Care SystemDurhamNorth CarolinaUSA
- Department of Population Health SciencesDuke University School of MedicineDurhamNorth CarolinaUSA
- Duke‐Margolis Center for Health PolicyDuke UniversityDurhamNorth CarolinaUSA
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Intrator O, O'Hanlon CE, Makineni R, Scott WJ, Saliba D. Comparing Post-Acute Populations and Care in Veterans Affairs and Community Nursing Homes. J Am Med Dir Assoc 2021; 22:2425-2431.e7. [PMID: 34740562 DOI: 10.1016/j.jamda.2021.10.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 09/29/2021] [Accepted: 10/15/2021] [Indexed: 11/17/2022]
Abstract
OBJECTIVE The quality of care provided by the US Department of Veterans Affairs (VA) is increasingly being compared to community providers. The objective of this study was to compare the VA Community Living Centers (CLCs) to nursing homes in the community (NHs) in terms of characteristics of their post-acute populations and performance on 3 claims-based ("short-stay") quality measures. DESIGN Observational, cross-sectional. SETTING AND PARTICIPANTS CLC and NH residents admitted from hospitals during July 2015-June 2016. METHODS CLC residents were compared with 3 NH populations: males, Veterans, and all NH residents. CLC and NH performance was compared on risk-adjusted claims-based measures: unplanned rehospitalizations and emergency department visits within 30 days of CLC or NH admission and successful discharge to the community within 100 days of NH admission. RESULTS Veterans admitted from hospitals to CLCs (n = 23,839 Veterans/135 CLCs) were less physically impaired, less likely to have anxiety, congestive heart failure, hypertension, and dementia than Veterans (n = 241,177/14,818 NHs), males (n = 661,872/15,280 NHs), and all residents (n = 1,674,578/15,395 NHs) admitted to NHs from hospitals. Emergency department and successful discharge risk-adjusted rates of CLCs were statistically significantly better than those of NHs [mean (standard deviation): 8.3% (4.6%) and 67.7% (11.5%) in CLCs vs 11.9% (5.3%) and 57.0% (10.5%) in NHs, respectively]. CLCs had slightly worse rehospitalization rates [22.5% (6.2%) in CLCs vs 21.1% (5.9%) in NHs], but lower combined emergency department and rehospitalization rates [30.8% (0.8%) in CLCs vs 33.0% (0.7%) in NHs]. CONCLUSIONS AND IMPLICATIONS CLCs and NHs serve different post-acute care populations. Using the same risk-adjusted NH quality metrics, CLCs provided better post-acute care than community NHs.
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Affiliation(s)
- Orna Intrator
- Geriatrics & Extended Care Data Analyses Center (GECDAC), Canandaigua VA Medical Center, Canandaigua, NY, USA; Department of Public Health Sciences, University of Rochester School of Medicine and Dentistry, Rochester, NY, USA.
| | - Claire E O'Hanlon
- Health Services Research & Development Center for the Study of Healthcare Innovation, Implementation & Policy, Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, CA, USA; RAND Corporation, Santa Monica, CA, USA
| | - Rajesh Makineni
- Geriatrics & Extended Care Data Analyses Center (GECDAC), Canandaigua VA Medical Center, Canandaigua, NY, USA; Department of Public Health Sciences, University of Rochester School of Medicine and Dentistry, Rochester, NY, USA
| | - Winifred J Scott
- Geriatrics & Extended Care Data Analysis Center (GECDAC), Health Economics Resource Center, VA Palo Alto Health Care System, Palo Alto, CA, USA
| | - Debra Saliba
- Health Services Research & Development Center for the Study of Healthcare Innovation, Implementation & Policy, Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, CA, USA; RAND Corporation, Santa Monica, CA, USA; Geriatric Research, Education and Clinical Center, Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, CA, USA; Borun Center for Gerontological Research, University of California at Los Angeles and Los Angeles Jewish Home, Los Angeles, CA, USA
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Harris AHS, Beilstein-Wedel EE, Rosen AK, Shwartz M, Wagner TH, Vanneman ME, Giori NJ. Comparing Complication Rates After Elective Total Knee Arthroplasty Delivered Or Purchased By The VA. Health Aff (Millwood) 2021; 40:1312-1320. [PMID: 34339235 DOI: 10.1377/hlthaff.2020.01679] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The Department of Veterans Affairs (VA) both delivers health care in its own facilities and, increasingly, purchases care for veterans in the community. Policy makers, administrators, health care providers, and veterans frequently face decisions about which services should be delivered versus purchased by the VA. Comparisons of quality across settings are essential if veterans are to receive care that is consistently accessible, patient centered, effective, and safe. We compared risk-adjusted major postoperative complication rates for total knee arthroplasties that were delivered in VA facilities versus purchased from community providers. Overall, adjusted complication rates were significantly lower for arthroplasties delivered by the VA compared with those that were purchased. However, hospital-level comparisons revealed five locations where VA-purchased care outperformed VA-delivered care. As the amount of VA-purchased care continues to increase under the Veterans Access, Choice, and Accountability Act of 2014 and the VA Maintaining Internal Systems and Strengthening Integrated Outside Networks Act of 2018, these results support VA monitoring of overall and local comparative hospital performance to improve the quality of the care that the VA delivers while ensuring optimal outcomes in VA-purchased care.
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Affiliation(s)
- Alex H S Harris
- Alex H. S. Harris is a research career scientist at the Veterans Affairs (VA) Palo Alto Health Care System's Center for Innovation to Implementation, in Menlo Park, California
| | - Erin E Beilstein-Wedel
- Erin E. Beilstein-Wedel is a research scientist at the VA Boston Healthcare System's Center for Healthcare Organization and Implementation Research, in Boston, Massachusetts
| | - Amy K Rosen
- Amy K. Rosen is a senior research career scientist at the VA Boston Healthcare System's Center for Healthcare Organization and Implementation Research
| | - Michael Shwartz
- Michael Shwartz is a research scientist at the VA Boston Healthcare System's Center for Healthcare Organization and Implementation Research
| | - Todd H Wagner
- Todd H. Wagner is the director of the Health Economics Resource Center and assistant director and research career scientist at the VA Palo Alto Health Care System's Center for Innovation to Implementation
| | - Megan E Vanneman
- Megan E. Vanneman is a research scientist at the VA Salt Lake City's Informatics, Decision-Enhancement and Analytic Sciences Center, in Salt Lake City, Utah
| | - Nicholas J Giori
- Nicholas J. Giori is the chief of orthopedic surgery at the VA Palo Alto Health Care System
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Tran LD, Rose L, Urech T, Dalton A, Wu S, Vashi AA. Short-term Effects of Canceled Elective Procedures Due to COVID-19: Evidence From the Veterans Affairs Healthcare System. Ann Surg 2021; 274:45-49. [PMID: 33630440 PMCID: PMC8187293 DOI: 10.1097/sla.0000000000004809] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
OBJECTIVE To determine whether delayed or canceled elective procedures due to COVID-19 resulted in higher rates of ED utilization and/or increased mortality. SUMMARY OF BACKGROUND DATA On March 15, 2020, the VA issued a nationwide order to temporarily pause elective cases due to COVID-19. The effects of this disruption on patient outcomes are not yet known. METHODS This retrospective cohort study used data from the VA Corporate Data Warehouse. Surgical procedures canceled due to COVID-19 in 2020 (n = 3326) were matched to similar completed procedures in 2018 (n = 151,863) and 2019 (n = 146,582). Outcome measures included 30- and 90-day VA ED use and mortality in the period following the completed or canceled procedure. We used exact matching on surgical procedure category and nearest neighbor matching on patient characteristics, procedure year, and facility. RESULTS Patients with elective surgical procedures canceled due to COVID-19 were no more likely to have an ED visit in the 30- [Difference: -4.3% pts; 95% confidence interval (CI): -0.078, -0.007] and 90 days (-0.9% pts; 95% CI: -0.068, 0.05) following the expected case date. Patients with cancellations had no difference in 30- (Difference: 0.1% pts; 95% CI: -0.008, 0.01) and 90-day (Difference: -0.4% pts; 95% CI: -0.016, 0.009) mortality rates when compared to similar patients with similar procedures that were completed in previous years. CONCLUSIONS The pause in elective surgical cases was not associated with short-term adverse outcomes in VA hospitals, suggesting appropriate surgical case triage and management. Further study will be essential to determine if the delayed cases were associated with longer-term effects.
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Affiliation(s)
- Linda Diem Tran
- Health Economics Resource Center, Department of Veterans Affairs, Menlo Park, California
- Stanford Surgery Policy Improvement Research and Education (S-SPIRE) Center, Stanford University, Stanford, California
| | - Liam Rose
- Health Economics Resource Center, Department of Veterans Affairs, Menlo Park, California
- Stanford Surgery Policy Improvement Research and Education (S-SPIRE) Center, Stanford University, Stanford, California
| | - Tracy Urech
- Center for Innovation to Implementation, Palo Alto Veterans Affairs Health Care System, Palo Alto, California
| | - Aaron Dalton
- Center for Innovation to Implementation, Palo Alto Veterans Affairs Health Care System, Palo Alto, California
| | - Siqi Wu
- Stanford Primary Care and Population Health, Stanford University, Stanford, California
| | - Anita A Vashi
- Center for Innovation to Implementation, Palo Alto Veterans Affairs Health Care System, Palo Alto, California
- Department of Emergency Medicine, University of California, San Francisco, San Francisco, California
- Department of Emergency Medicine (Affiliated), Stanford University, Stanford, California
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Schalet BD, Reise SP, Zulman DM, Lewis ET, Kimerling R. Psychometric evaluation of a patient-reported item bank for healthcare engagement. Qual Life Res 2021; 30:2363-2374. [PMID: 33835412 DOI: 10.1007/s11136-021-02824-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/12/2021] [Indexed: 10/21/2022]
Abstract
PURPOSE Healthcare engagement is a core measurement target for efforts to improve healthcare systems. This construct is broadly defined as the extent to which healthcare services represent collaborative partnerships with patients. Previous qualitative work operationalized healthcare engagement as generalized self-efficacy in four related subdomains: self-management, collaborative communication, health information use, and healthcare navigation. Building on this work, our objective was to establish a healthcare engagement instrument that is sufficiently unidimensional to yield a single score. METHOD We conducted cognitive interviews followed by a nation-wide mail survey of US Veteran Administration (VA) healthcare users. Data were collected on 49 candidate healthcare engagement items, as well as measures of self-efficacy for managing symptoms, provider communication, and perceived access. Items were subjected to exploratory bifactor, statistical learning, and IRT analyses. RESULTS Cognitive interviews were completed by 56 patients and 9552 VA healthcare users with chronic conditions completed the mail survey. Participants were mostly white and male but with sizable minority participation. Psychometric analyses and content considerations reduced the item pool to 23 items, which demonstrated a strong general factor (OmegaH of .89). IRT analyses revealed a high level of reliability across the trait range and little DIF across groups. Most health information use items were removed during analyses, suggesting a more independent role for this domain. CONCLUSION We provide quantitative evidence for a relatively unidimensional measure of healthcare engagement. Despite developed with VA healthcare users, the measure is intended for general use. Future work includes short-form development and validation with other patient groups.
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Affiliation(s)
- Benjamin D Schalet
- Department of Medical Social Sciences, Northwestern University Feinberg School of Medicine, Chicago, USA.
| | - Steven P Reise
- Department of Psychology, University of California, San Diego, USA
| | - Donna M Zulman
- Center for Innovation to Implementation, VA Palo Alto Health Care System, Menlo Park, USA.,Division of Primary Care and Population Health, Stanford University School of Medicine, Stanford, USA
| | - Eleanor T Lewis
- Center for Innovation to Implementation, VA Palo Alto Health Care System, Menlo Park, USA
| | - Rachel Kimerling
- National Center for PTSD, VA Palo Alto Health Care System, Menlo Park, USA.,Center for Innovation to Implementation, VA Palo Alto Health Care System, Menlo Park, USA
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Irvin JA, Kondrich AA, Ko M, Rajpurkar P, Haghgoo B, Landon BE, Phillips RL, Petterson S, Ng AY, Basu S. Incorporating machine learning and social determinants of health indicators into prospective risk adjustment for health plan payments. BMC Public Health 2020; 20:608. [PMID: 32357871 PMCID: PMC7195714 DOI: 10.1186/s12889-020-08735-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Accepted: 04/20/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Risk adjustment models are employed to prevent adverse selection, anticipate budgetary reserve needs, and offer care management services to high-risk individuals. We aimed to address two unknowns about risk adjustment: whether machine learning (ML) and inclusion of social determinants of health (SDH) indicators improve prospective risk adjustment for health plan payments. METHODS We employed a 2-by-2 factorial design comparing: (i) linear regression versus ML (gradient boosting) and (ii) demographics and diagnostic codes alone, versus additional ZIP code-level SDH indicators. Healthcare claims from privately-insured US adults (2016-2017), and Census data were used for analysis. Data from 1.02 million adults were used for derivation, and data from 0.26 million to assess performance. Model performance was measured using coefficient of determination (R2), discrimination (C-statistic), and mean absolute error (MAE) for the overall population, and predictive ratio and net compensation for vulnerable subgroups. We provide 95% confidence intervals (CI) around each performance measure. RESULTS Linear regression without SDH indicators achieved moderate determination (R2 0.327, 95% CI: 0.300, 0.353), error ($6992; 95% CI: $6889, $7094), and discrimination (C-statistic 0.703; 95% CI: 0.701, 0.705). ML without SDH indicators improved all metrics (R2 0.388; 95% CI: 0.357, 0.420; error $6637; 95% CI: $6539, $6735; C-statistic 0.717; 95% CI: 0.715, 0.718), reducing misestimation of cost by $3.5 M per 10,000 members. Among people living in areas with high poverty, high wealth inequality, or high prevalence of uninsured, SDH indicators reduced underestimation of cost, improving the predictive ratio by 3% (~$200/person/year). CONCLUSIONS ML improved risk adjustment models and the incorporation of SDH indicators reduced underpayment in several vulnerable populations.
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Affiliation(s)
- Jeremy A Irvin
- Department of Computer Science, Stanford University, 353 Serra Mall, Stanford, CA, 94305, USA.
| | - Andrew A Kondrich
- Department of Computer Science, Stanford University, 353 Serra Mall, Stanford, CA, 94305, USA
| | - Michael Ko
- Department of Statistics, Stanford University, Stanford, USA
| | - Pranav Rajpurkar
- Department of Computer Science, Stanford University, 353 Serra Mall, Stanford, CA, 94305, USA
| | - Behzad Haghgoo
- Department of Computer Science, Stanford University, 353 Serra Mall, Stanford, CA, 94305, USA
| | - Bruce E Landon
- Department of Healthcare Policy, Harvard Medical School, Boston, USA.,Center for Primary Care, Harvard Medical School, Boston, USA
| | - Robert L Phillips
- Center for Professionalism & Value in Health Care, American Board of Family Medicine Foundation, Lexington, USA
| | - Stephen Petterson
- Robert Graham Center, American Academy of Family Physicians, Leawood, USA
| | - Andrew Y Ng
- Department of Computer Science, Stanford University, 353 Serra Mall, Stanford, CA, 94305, USA
| | - Sanjay Basu
- Center for Primary Care, Harvard Medical School, Boston, USA.,Research and Analytics, Collective Health, San Francisco, USA.,School of Public Health, Imperial College London, London, England
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