Post-hospital falls incidence and risk factors among older adults: a systematic review and meta-analysis

Prevalence and risk factors of falls in people on hemodialysis: a systematic review and meta-analysis

OBJECTIVES

This study aims to systematically quantify the prevalence of falls in people on hemodialysis and to assess risk factors associated with falls by synthesizing emerging best evidence.

METHODS

A comprehensive search was conducted across ten databases from their inception to February 27, 2025. The research team independently conducted study selection, quality assessments, data extraction, and analyses of all included studies. Meta-analysis was performed using random-effects and fixed-effects models. The PRISMA guidelines were used to report the systematic review and meta-analysis.

RESULTS

A total of 31 studies, comprising 191,800 individuals, were included in the analysis. The pooled prevalence of falls in people on hemodialysis was 27.1%. The meta-analysis of risk factors included 19 studies. After controlling for confounding variables, 12 risk factors were associated with falls, including older age, female gender, longer dialysis duration, diabetes mellitus, peripheral vascular disease, paralysis, antidepressant use, frailty, use of walking aids, malnutrition, intradialytic hypotension, and low hemoglobin levels.

CONCLUSIONS

This study provides an updated, evidence-based assessment of the prevalence and risk factors of falls in people on hemodialysis, confirming their multifactorial etiology. Screening and interventions should be implemented promptly to mitigate the adverse outcomes of falls in people on hemodialysis.

REGISTRATION NUMBER

PROSPERO CRD42024525375.

Associations of frailty, self-reported balance problems, hearing abilities, and posturography in a sample of older adults

OBJECTIVE

The aim of this study was to identify risk factors for self-reported balance problems, and to analyse associations between hearing and balance.

DESIGN

A battery of tests was administered to assess hearing and balance performance, as well as additional health-related factors indicative of frailty and fall risk. In a retrospective analysis, logistic regression was used to identify risk factors for self-reported balance problems and linear regression was used to identify associations between hearing ability and functional balance.

STUDY SAMPLE

For the risk factor analysis, 199 volunteers aged 55-81 years (mean:67) were divided into two groups according to their self-reported balance problems. Only participants lacking self-reported balance problems (n = 157) were included in the second analysis.

RESULTS

Female gender, frailty, and fine-motor skills were statistically significant predictors of self-reported balance problems. Functional balance performance was related to hearing impairment for dynamic, but not for static, balance tasks.

CONCLUSION

For a holistic approach to healthcare and regardless of age, individuals with multiple comorbidities and/or phenotypic signs of frailty should be considered at risk for falls. For further research, it was shown that dynamic, rather than static, balance tasks may be needed to gain deeper insights into the relationship between hearing and balance.

Risk of fall in middle-aged and older adult patients with chronic lung disease: evidence from the China Health and Retirement Longitudinal Study

Background

Chronic lung disease (CLD) not only manifests with respiratory symptoms but is often associated with various systemic conditions that may elevate the risk of falls. This study aimed to evaluate the independent association between chronic lung disease (CLD) and fall risk among middle-aged and older adult Chinese adults.

Methods

We enrolled participants aged over 45 years from the baseline wave of the China Health and Retirement Longitudinal Study (CHARLS) conducted in 2011 and divided them into two groups based on the presence of CLD: the CLD group and the non-CLD group. Follow-up assessments were subsequently performed during the 2013, 2015, 2018, and 2020 survey waves to track longitudinal outcomes. The primary endpoint was the incidence of falls (≥1 fall event) during the entire follow-up period (2011-2020). To address potential confounding and strengthen causal inference, we employed a multivariable logistic regression model, conducted propensity score matching, and performed subgroup analyses.

Results

A total of 9,204 participants were included in the study, consisting of 940 patients with CLD and 8,264 individuals in the non-CLD group. The incidence of falls among patients with CKD was 33.5% (315/940), which was higher than the 27.5% (2,275/8264) observed in the non-CLD group (p < 0.001). After adjusting for confounding factors using logistic regression, the incidence of falls in the CLD group was found to be significantly higher compared to the non-CLD group (OR = 1.19, 95% CI: 1.02, 1.38, p = 0.02). Similar results were observed in the propensity score matching analysis and subgroup analyses.

Conclusion

Our study found that the risk of falls is significantly increased in middle-aged and older adult patients with CLD in China, highlighting the importance of fall screening and risk prevention programs for CLD patients.

Incidence and Associated Risk Factors for Falls in Adults Following Critical Illness: An Observational Study

OBJECTIVE

To explore the incidence of falls and associated risk factors in the first year after hospital discharge in survivors of critical illness.

DESIGN

Prospective single-site observational study.

SETTING

University-affiliated mixed ICU.

PATIENTS

One hundred ICU adults who required invasive ventilation for 48 hours and in an ICU for at least 4 days.

INTERVENTIONS

Not applicable.

MEASUREMENTS AND MAIN RESULTS

Falls were monitored prospectively for 1 year with completion of monthly falls calendars. Falls data included the number of people who had falls/no falls/recurrent falls, falls rate per person per year, and time to first fall. Fall severity was classified according to the Schwenck classification scheme to examine injurious falls requiring medical intervention. Other outcomes considered included assessments of balance, strength, function, cognition, psychologic health, and health-related quality of life. One hundred participants (31% female) were recruited with a mean age of 58.3 ± 16.2 years, and a median ventilation duration of 6.3 days [4.0-9.1]. Sixty-one percent fell at least once in the first year with the majority sustaining two or more falls (81.4%) and one in four sustained an injurious fall requiring medical attention. The falls incidence rate was 4.4 falls per person-year (95% CI, 3.2-5.9), with the highest incidence occurring less than 3 months after hospital discharge (5.9 falls/person-year [95% CI, 4.4-7.8]). Time to first fall or injurious fall was 36 [11-66] and 95 (95% CI, 40-155) days, respectively. Key risk factors for falls at the time of hospital discharge include comorbidities, higher discharge medications, balance, and muscle strength.

CONCLUSIONS

There was a high falls incidence in ICU survivors. The study findings suggest a critical window may exist within the first 3 months after hospital discharge and the need for screening, pharmacological optimization, and exercise training in this patient group.

Enhancing Patient Safety Through an Integrated Internet of Things Patient Care System: Large Quasi-Experimental Study on Fall Prevention

BACKGROUND

The challenge of preventing in-patient falls remains one of the most critical concerns in health care.

OBJECTIVE

This study aims to investigate the effect of an integrated Internet of Things (IoT) smart patient care system on fall prevention.

METHODS

A quasi-experimental study design is used. The smart patient care system is an integrated IoT system combining a motion-sensing mattress for bed-exit detection, specifying different types of patient calls, integrating a health care staff scheduling system, and allowing health care staff to receive and respond to alarms via mobile devices. Unadjusted and adjusted logistic regression models were used to investigate the relationship between the use of the IoT system and bedside falls compared with a traditional patient care system.

RESULTS

In total, 1300 patients were recruited from a medical center in Taiwan. The IoT patient care system detected an average of 13.5 potential falls per day without any false alarms, whereas the traditional system issued about 11 bed-exit alarms daily, with approximately 4 being false, effectively identifying 7 potential falls. The bedside fall incidence during hospitalization was 1.2% (n=8) in the traditional patient care system ward and 0.1% (n=1) in the smart ward. We found that the likelihood of bedside falls in wards with the IoT system was reduced by 88% (odds ratio 0.12, 95% CI 0.01-0.97; P=.047).

CONCLUSIONS

The integrated IoT smart patient care system might prevent falls by assisting health care staff with efficient and resilient responses to bed-exit detection. Future product development and research are recommended to introduce IoT into patient care systems combining bed-exit alerts to prevent inpatient falls and address challenges in patient safety.

Effect of Pre-Hospitalization Fall History on Physical Activity and Sedentary Behavior After the Implementation of a Behavioral Change Approach in Patients with Minor Ischemic Stroke: A Secondary Analysis of a Randomized Controlled Trial

BACKGROUND

We aimed to determine whether a history of falls before admission affected physical activity levels and sedentary behavior negatively after implementing a behavior modification approach in patients with minor ischemic stroke.

METHODS

This study constituted a secondary analysis of an intervention trial. In the intervention study, patients with minor ischemic stroke were randomly assigned to two groups: intervention and control groups. The intervention group was encouraged to reduce sedentary behavior during hospitalization and after discharge, while the control group was encouraged to increase physical activity levels solely during hospitalization. The study included 52 patients who completed the intervention trial. The exposure factor examined was a history of falls. Upon admission, patients were queried about any falls experienced in the year preceding admission and subsequently classified into fall and non-fall groups based on their responses. The primary outcome of interest focused on changes in physical activity levels (step count, light-intensity physical activity, and moderate-to-vigorous-intensity physical activity) and sedentary behavior. Measurements were obtained at two time points: before the intervention, during hospitalization (baseline), and 3 months after discharge (post-intervention).

RESULTS

Only a significantly lower change in the number of steps taken in the fall group than in the non-fall group was found.

CONCLUSION

Those with a history of falls showed a lesser change in the number of steps taken before and after implementing a behavior change approach compared with those without a history of falls. Those with a history of falls may have engaged in activities other than walking.

Identifying factors associated with post-hospital falls in older patients: a territory-wide cohort study

OBJECTIVES

Post-hospital falls impose a substantial healthcare burden on older adults, yet contributing factors remain inadequately examined. This study aimed to investigate underinvestigated factors associated with post-hospital falls.

STUDY DESIGN

Retrospective territory-wide cohort study.

METHODS

We examined the electronic medical records of patients aged ≥65 who were discharged from public hospitals in Hong Kong (2007-2018). During the 12 months following discharge, participants were monitored to identify falls based on diagnosis codes or clinical notes from inpatient episodes, the emergency department (ED) visits, and death records. Falls were categorized into two groups: those only requiring ED visits and those requiring hospitalizations. Binary logistic and multinomial logistic regressions examined the associated factors for post-hospital falls and subcategories of falls, respectively.

RESULTS

Among 606,392 older patients, 28,593 (4.71%; 95% CI = 4.66%-4.77%) experienced falls within 12 months after discharge. Of those, 8438 (29.5%) only required ED visits, and 20,147 (70.5%) required hospitalizations. Discharge from non-surgical wards, length of stay over two weeks, receiving the Geriatric Day Hospital and Rehabilitation Day Program, advancing age, being female, having more comorbidities, taking more fall risk increasing drugs, previous admission for falls, and living in Hong Kong Island were associated with increased fall risk. Receiving allied health service or nurse service was associated with reduced risk. The same factors were more associated with falls requiring hospitalizations rather than falls only requiring ED visits.

CONCLUSIONS

Older patients with identified factors were particularly vulnerable to post-hospital falls leading to rehospitalizations. Fall risk assessment and tailored prevention should prioritize this group.

Preoperative Delirium Risk Screening in Patients Undergoing a Cardiac Surgery: Results from the Prospective Observational FINDERI Study

OBJECTIVE

Postoperative delirium (POD) is a common complication of cardiac surgery that is associated with higher morbidity, longer hospital stay, cognitive decline, and mortality. Preoperative assessments may help to identify patients´ POD risk. However, a standardized screening assessment for POD risk has not been established.

DESIGN

Prospective observational FINd DElirium RIsk factors (FINDERI) study.

PARTICIPANTS

Patients aged ≥50 years undergoing cardiac surgery.

MEASUREMENTS

The primary aim was to analyze the predictive value of the Delirium Risk Screening Questionnaire (DRSQ) prior to cardiac surgery. Secondary aims are to investigate cognitive, frailty, and geriatric assessments, and to use data-driven machine learning (ML) in predicting POD. Predictive properties were assessed using receiver operating characteristics analysis and multivariate approaches (regularized LASSO regression and decision trees).

RESULTS

We analyzed a data set of 504 patients (68.3 ± 8.2 years, 21.4% women) who underwent cardiac surgery. The incidence of POD was 21%. The preoperatively administered DRSQ showed an area under the curve (AUC) of 0.68 (95% CI 0.62, 0.73), and the predictive OR was 1.25 (95% CI 1.15, 1.35, p <0.001). Using a ML approach, a three-rule decision tree prediction model including DRSQ (score>7), Trail Making Test B (time>118), and Montreal Cognitive Assessment (score ≤ 22) was identified. The AUC of the three-rule decision tree on the training set was 0.69 (95% CI 0.63, 0.75) and 0.62 (95% CI 0.51, 0.73) on the validation set.

CONCLUSION

Both the DRSQ and the three-rule decision tree might be helpful in predicting POD risk before cardiac surgery.

Association between self-reported falling risk and risk of hospitalization for patients with chronic obstructive pulmonary disease

RATIONALE

The association between self-report falling risk in persons with COPD and hospitalization has not been previously explored.

OBJECTIVE

To examine whether self-reported risk is associated with hospitalizations in patients with COPD.

METHODS

A secondary analysis from a prospective observational cohort study of veterans with COPD. Participants completed questions from the Stopping Elderly Accidents, Deaths and Injuries (STEADI) tool kit at either baseline or at the end of the 12-month study. A prospective or cross-sectional analysis examined the association between responses to the STEADI questions and risk of all-cause or COPD hospitalizations.

RESULTS

Participants (N = 388) had a mean age of 69.6 ± 7.5 years, predominately male (96 %), and 144 (37.1 %) reported having fallen in the last year. More than half reported feeling unsteady with walking (52.6 %) or needing to use their arms to stand up from a chair (61.1 %). A third were concerned about falling (33.3 %). Three questions were associated with all-cause (not COPD) hospitalization in both unadjusted and adjusted cross-sectional analysis (N = 213): "fallen in the past year" (IRR 1.77, 95 % CI 1.10 to 2.86); "unsteady when walking" (IRR 1.88, 95 % CI 1.14 to 3.10); "advised to use a cane or walker" (IRR 1.89, 95 % CI 1.16 to 3.08).

CONCLUSIONS

The prevalence of self-reported falling risk was high in this sample of veterans with COPD. The association between falling risk and all-cause hospitalization suggests that non-COPD hospitalizations can negatively impact intrinsic risk factors for falling. Further research is needed to clarify the effects of all-cause hospitalization on falling risk in persons with COPD.

Post-Hospital Falls Among the Older Population: The Temporal Pattern in Risk and Healthcare Burden

OBJECTIVES

Older adults are prone to falls following hospital discharge, resulting in healthcare utilization and costs. The fall risk might change over time after discharge. To fill research gaps in this area, this study examined the temporal pattern in incidence and healthcare burden of post-hospital falls in older adults.

DESIGN

A territory-wide retrospective cohort study was conducted.

SETTING AND PARTICIPANTS

Participants were Hong Kong adults aged ≥65 years and discharged from hospitals between January 2007 and December 2017.

METHODS

The participants were followed for 12 months to identify fall-related inpatient episodes, accident and emergency department (AED) visits, and mortality after discharge. The post-hospital falls were further analyzed in 2 subcategories (1) only requiring AED visits and (2) requiring hospitalization. The incidence rate and faller incidence proportion for total falls and subcategories during the different periods were examined. The corresponding healthcare utilization and costs were calculated.

RESULTS

Among the 606,392 older adults discharged from hospitals during the study period, 28,593 individuals (4.7%) experienced at least 1 post-hospital fall within 12 months, resulting in a total of 33,158 falls (57 per 1000 person-years). Out of post-hospital falls presenting to hospitals, one-third only required AED visits, and two-thirds required hospitalization. The fall incidence rate peaked in the first 3 weeks after discharge and gradually decreased to a stable level from the fourth to ninth week. The annual healthcare costs related to post-hospital falls exceeded USD 28.9 million in older adults, with the mean cost per faller and fall being USD 11,129 and USD 9596.

CONCLUSIONS AND IMPLICATIONS

The fall-related healthcare utilizations after discharge impose a substantial economic burden on older adults. During the first 9 weeks, particularly the first 3 weeks, older adults were at high risk of falling. The efforts on resource allocation for fall prevention are suggested to prioritize this period.

Using Quality Indicator Codes to Identify Patients' Fall Risk in Inpatient Rehabilitation Facilities

OBJECTIVE

To discover if quality indicator (QI) codes are associated with patient falls in inpatient rehabilitation facilities (IRFs).

DESIGN

This retrospective cohort study explored differences between patients who fell and those who did not fall. We analyzed potential associations between QI codes and falls using univariable and multivariable logistic regression models.

SETTING

We collected data from electronic medical records at 4 IRFs.

PARTICIPANTS

In 2020, our 4 data collection sites admitted and discharged a total of 1742 patients older than 14 years . We only excluded patients (N=43) from statistical analysis if they were discharged before admission data had been assigned.

INTERVENTIONS

Not applicable.

MAIN OUTCOME MEASURES

Using a data extraction report, we collected age, sex, race and ethnicity, diagnosis, falls, and QI codes for communication, self-care, and mobility performance. Staff documented communication codes on a 1-4 scale and self-care and mobility codes on a 1-6 scale, with higher codes representing greater independence.

RESULTS

Ninety-seven patients (5.71%) fell in the 4 IRFs over a 12-month period. The group who fell had lower QI codes for communication, self-care, and mobility. When adjusting for bed mobility, transfer, and stair-climbing ability, low performance with understanding, walking 10 feet, and toileting were significantly associated with falls. Patients with admission QI codes below 4 for understanding had 78% higher odds of falling. If they were assigned admission QI codes below 3 for walking 10 feet or toileting, they had 2 times greater odds of falling. We did not find a significant association between falls and patients' diagnosis, age, sex, or race and ethnicity in our sample.

CONCLUSIONS

Communication, self-care, and mobility QI codes appear to be significantly associated with falls. Future research should explore how to use these required codes to better identify patients likely to fall in IRFs.

Balance-Associated Tests Contribute to Predicting the Need for Ambulatory Assistive Devices (AAD) among Community-Dwelling Older Adults

This study aims to analyze the use of ambulatory assistive devices (AAD) in relation to balance-associated tests and assist medical staff in providing professional objective reference values for older adults on whether to use AAD. Older adults (n = 228) were recruited from the local community to participate in this study. Participants were divided into the AAD-use group and the non-AAD-use group. Four balance-associated tests and scales were applied to predict the relationship between balance function and the use of AAD in older adults. They were used to assess the participant's balance function and confidence in maintaining balance and were considered the most reliable measures of balance. There were significant differences in the Berg Balance Scale (BBS) score and Timed Up and Go Test (TUGT) among the subjects in the AAD-use group and non-AAD-use group (p < 0.001). The ROC curve analysis presented the following cut-off values for balance tests and scales: 23.62 s for the TUGT test and 41.5 points for the BBS score. For example, if the TUGT score is greater than 23.62 s and the BBS score is below 41.5 points, AAD is recommended for older adults to maintain balance and prevent falls. These objective reference standards may be useful in guiding medical personnel to determine whether older adults need to use AAD. In future studies, we hope to include more participants for subgroup analysis, investigating different types of AAD and their effects on older adults.

The Incidence of Falls and Related Factors among Chinese Elderly Community Residents in Six Provinces

This cross-sectional study classified the factors related to falls among residents ≥ 60 years old in China in order to provide evidence for the prevention of falls in the elderly. A total of 2994 participants were enrolled, and the correlations between social demography, physical health, self-health management awareness, family support, and fall risk were analyzed. Factors influencing falls were classified by location, cause, and the activity during falls. Suffering from osteoarthropathy (OR = 1.761, 95% CI: 1.234-2.513, p < 0.05), depression or anxiety (OR = 1.896, 95% CI: 1.331-2.700, p < 0.001), household size > 2 (OR = 1.806, 95% CI: 1.042-3.130, p < 0.05), and poor self-assessed health (OR = 1.478, 95% CI: 1.107-1.972, p < 0.01) were risk factors. Higher participation in community health programs (OR = 0.522, 95% CI: 0.298-0.912, p < 0.05) and spousal support (OR = 0.909, 95% CI: 0.841-0.981, p < 0.05) were protective factors. Falls were divided into the following categories: stairs/hallway (vision, attention problems), bath/toilet (vision, attention problems, slipping), indoor housework (dizziness, leg weakness), and outdoor activities (attention, surface problems). While acknowledging that the personal physical and mental health of the elderly may lead to falls, community support, accelerated transformation of housing, and the construction of barrier-free environments play an important role in reducing the risk of falls.

The Relationship Between Edema and Body Functions in Patients With Chronic Kidney Disease: A Preliminary Study

Introduction: Chronic kidney disease (CKD) is known to be a risk factor for falls. In addition, numerous factors such as impaired body balance and loss of muscle mass were reported as risk factors for falls. Patients with CKD often have edema in their lower extremes. In Japan, edema, as well as physical factors, are listed as fall assessment items. Little is known about the relation between body functions and edema in patients with CKD. Thus, we conducted a multivariate regression analysis to investigate the factors related to knee extension muscle strength and dynamic balance in motion (TUG).

Materials and methods: Thirty patients with CKD participated in this study. The basic characteristics were sex, age, blood pressure, body mass index (BMI), and medications. The laboratory data were estimated glomerular filtration rate (eGFR), hemoglobin (Hb), and C-reactive protein (CRP). Edema and muscle mass was measured by using InBody S10 (Inbody Japan Inc., Tokyo, Japan). The balance function while standing at rest and motion was measured as the total trajectory length of the center of gravity and the index of postural stability (IPS) using a kinetogravicorder 7100 (Anima Inc., Tokyo, Japan). Dynamic balance was assessed by the timed up & go (TUG) test. Knee extension muscle strength was measured by the Micro Total Analysis System (μ-Tas) F-1 (Anima Inc., Tokyo, Japan) test. Nutritional assessment was measured by the geriatric nutritional risk index (GNRI). Activities of daily living were measured using the functional independence measure (FIM). We conducted a multivariate regression analysis to investigate the factors related to knee extension muscle strength and dynamic balance in motion.

Results: Extracellular water/total body water (ECW/TBW) was not significantly correlated with balance at rest and IPS. The ECW/TBW was associated with knee extension muscle strength, TUG, albumin (Alb), Hb, and GNRI with statistical significance. After adjusting for sex and age, knee extension muscle strength was associated with ECW/TBW and TUG (p=0.044). The TUG was also associated with ECW/TBW after being adjusted for age and sex (p=0.046). 

Conclusion: Patients with CKD who have edema may have decreased knee extensor strength and body balance function. Investigation of knee extension muscle strength and the body balance test in addition to the presence of leg edema at the time of physical examination may help predict a functional decline in CKD patients.