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Design and Analysis for Fall Detection System Simplification
Published on: April 6, 2020
Association Between Upper Limb Injury and Risk of Falls: A Nationwide Population-Based Cohort Study.
Jhen-Jhen Fan1, Wen Chi Chan1, Jen-Hung Wang2
1School of Medicine, Tzu Chi University, Hualien 970374, Taiwan.
Journal of Clinical Medicine
|July 15, 2026
Summary
Older adults with upper limb injuries (ULI) face a significantly higher risk of subsequent falls. This study highlights ULI as a potential indicator for fall prevention interventions in geriatric care.
Area of Science:
- Geriatric Medicine
- Orthopedics
- Public Health Epidemiology
Background:
- Falls and upper limb injuries (ULI) are common in older adults.
- The independent association between ULI and future fall risk is not well understood.
Purpose of the Study:
- To investigate the association between upper limb injuries and the risk of subsequent falls in older adults.
- To determine if ULI serves as an independent risk factor for falls.
Main Methods:
- Nationwide cohort study using Taiwan's National Health Insurance Research Database (2011-2020).
- Propensity score matching (1:1) of 110,600 adults (≥50 years) with newly diagnosed ULI to controls.
- Cox regression analysis to estimate hazard ratios for fall occurrence.
Main Results:
- Individuals with ULI exhibited a 62% higher risk of falls compared to controls (adjusted HR 1.62, 95% CI: 1.43-1.84).
- Fall incidence was 2.8 per 1000 person-years in the ULI group versus 1.6 in the control group.
- Kaplan-Meier curves demonstrated a sustained divergence in fall risk throughout the follow-up period.
Conclusions:
- Upper limb injuries are independently associated with an increased risk of subsequent falls in the elderly population.
- ULI may function as a crucial sentinel marker, signaling the need for proactive fall prevention strategies.
- Clinical practice should consider ULI as a trigger for implementing fall prevention measures in older adults.