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1 "Dae Hyun Kim"
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Original Article
Factors associated with the injury severity of falls from a similar height and features of the injury site in Korea: a retrospective study
Dae Hyun Kim, Jae-Hyug Woo, Yang Bin Jeon, Jin-Seong Cho, Jae Ho Jang, Jea Yeon Choi, Woo Sung Choi
J Trauma Inj. 2023;36(3):187-195.   Published online November 16, 2022
DOI: https://doi.org/10.20408/jti.2022.0042
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AbstractAbstract PDF
Purpose
This study aimed to determine the risk factors associated with the severity of fall-related injuries among patients who suffered a fall from similar heights and analyze differences in injury sites according to intentionality and injury severity.
Methods
The Emergency Department-Based Injury In-depth Surveillance data collected between 2019 and 2020 were used in this retrospective study. Patients with fall-related injuries who fell from a height of ≥6 and <9 m were included. Patients were categorized into the severe and mild/moderate groups according to their excessive mortality ratio-adjusted Injury Severity Score (EMR-ISS) and the intention and non-intention groups. Injury-related and outcome-related factors were compared between the groups.
Results
In total, 33,046 patients sustained fall-related injuries. Among them, 543 were enrolled for analysis. A total of 256 and 287 patients were included in the severe and mild/moderate groups, respectively, and 93 and 450 patients were included in the intention and non-intention groups, respectively. The median age was 50 years (range, 39–60 years) and 45 years (range, 27–56 years) in the severe and mild/moderate groups, respectively (P<0.001). In multivariable analysis, higher height (odds ratio [OR] 1.638; 95% confidence interval [Cl], 1.279–2.098) and accompanying foot injury (OR, 0.466; 95% CI, 0.263–0.828) were independently associated with injury severity (EMR-ISS ≥25) and intentionality of fall (OR, 0.722; 95% CI, 0.418–1.248) was not associated with injury severity. The incidence of forearm injuries was four (4.3%) and 58 cases (12.9%, P=0.018) and that of foot injuries was 20 (21.5%) and 54 cases (12.0%, P=0.015) in the intention versus non-intention groups, respectively.
Conclusions
Among patients who fell from a similar height, age, and fall height were associated with severe fall-related injuries. Intentionality was not related to injury severity, and patients with foot injury were less likely to experience serious injuries. Injuries in the lower and upper extremities were more common in intentional and unintentional falls, respectively.
Summary

J Trauma Inj : Journal of Trauma and Injury