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Original Research

Open Access

Modifying effects of alcohol use and age on the predictive performance of prehospital shock index for functional and survival outcomes in severe trauma patients

  • Young Ju Cho1
  • Yong Soo Cho2
  • Eujene Jung2
  • Byeong Jo Chun3,*,
  • Ho Goon Kim4,*,
  • Hyun Yi Kook5,*,

1Department of Psychiatric medicine, Haenam Woori General Hospital, 59021 Haenam, Republic of Korea

2Department of Emergency Medicine, Chonnam National University Hospital, 61469 Gwangju, Republic of Korea

3Department of Emergency Medicine, Chonnam National University, 61469 Gwangju, Republic of Korea

4Department of Surgery, Chonnam National University Medical School, 61469 Gwangju, Republic of Korea

5College of Nursing, Chonnam National University, 61469 Gwangju, Republic of Korea

DOI: 10.22514/jomh.2023.088 Vol.19,Issue 9,September 2023 pp.92-98

Submitted: 29 April 2023 Accepted: 05 July 2023

Published: 30 September 2023

*Corresponding Author(s): Byeong Jo Chun E-mail:
*Corresponding Author(s): Ho Goon Kim E-mail:
*Corresponding Author(s): Hyun Yi Kook E-mail:


This study investigated whether the prehospital shock index (SI) could predict clinical outcomes in trauma patients, with or without pre-injury alcohol consumption, and whether this predictive capacity varied by age. We conducted a retrospective study on severe trauma patients transported to a level-1 trauma center by emergency medical services from 2015 to 2021. Our primary exposure was abnormal SI, defined as an SI ≥0.9, with in-hospital mortality and poor functional outcomes as study outcomes of interest. Multivariable logistic regression analysis estimated the effect of SI on clinical outcomes. Our findings indicated a significant association between abnormal SI and poor functional outcomes in all trauma patients (adjusted odds ratio: 2.15; 95%confidence interval: 1.41–3.28), notably pronounced in the older age group (adjusted odds ratio: 3.56; 95% confidence interval: 1.55–8.30). However, no association was found with in-hospital mortality. Importantly, among severe trauma patients who did not consume alcohol, abnormal SI was significantly associated with poor functional outcomes, irrespective of age, and with increased in-hospital mortality exclusively in the older age group. Thus, abnormal SI significantly predicted clinical outcomes in non-alcohol-consuming severe trauma patients, with the predictive power for in-hospital mortality being specifically significant in older, non-alcohol-consuming patients.


Shock index; Trauma; Alcohol

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Young Ju Cho,Yong Soo Cho,Eujene Jung,Byeong Jo Chun,Ho Goon Kim,Hyun Yi Kook. Modifying effects of alcohol use and age on the predictive performance of prehospital shock index for functional and survival outcomes in severe trauma patients. Journal of Men's Health. 2023. 19(9);92-98.


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