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Factors Associated with a Disposition-Based Indicator of Severe Injury Among Older Adults with Fall-Related Injuries: A Secondary Analysis of the 2023 Emergency Department-Based Injury In-Depth Surveillance

Kim JS, Kang S

Healthcare (Basel, Switzerland), 2026

24,632 participants

Abstract

Background/Objectives: Falls are a major cause of injury-related morbidity and mortality among older adults. This study aimed to examine factors associated with a disposition-based indicator of severe injury among older adults with fall-related injuries using data from the 2023 Emergency Department-based Injury In-depth Surveillance. Methods: This secondary analysis used data from the 2023 Emergency Department-based Injury In-depth Surveillance conducted by the Korea Disease Control and Prevention Agency. A total of 24,632 adults aged ≥65 years with fall-related injuries were included. The primary outcome was a disposition-based indicator of severe injury, defined as hospital admission, transfer to a higher-level hospital, or death. Multivariable logistic regression was performed, and sensitivity analyses were performed using alternative disposition-based outcomes, Revised Trauma Score (RTS)-based physiological severity, and the original four AVPU categories. Results: Of 24,632 participants, 9248 (37.5%) met the criteria for the primary outcome. Older age, falls from a height, outdoor injuries, emergency transportation, and impaired consciousness were associated with higher odds of the primary outcome, whereas alcohol use at the time of injury, stair-related falls, injuries in road or traffic areas or commercial or public facilities, sports or leisure activities, other activities, and nighttime injuries were associated with lower odds. Emergency transportation and impaired…

How strong is the evidence?

Evidence Hub reads this as a secondary / pooled analysis, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 24,632 participants or records.

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