Obese trauma patients are at increased risk of early hypovolemic shock: a retrospective cohort analysis of 1,084 severely injured patients

Table 2 Independent predictors of mortality

All patients	Odds ratio	95% CI	Patients with BMI ≥ 30	Odds ratio	95% CI
BMI ≥ 30	2.52	1.3 to 4.9	New ISS > 50	4.75	1.2 to 19.0
Traumatic brain injury^a	3.09	1.7 to 5.5
Admission lactate > 2.5 mmol/l	2.61	1.6 to 4.4
New ISS > 50	2.95	1.7 to 5.1

BMI, body mass index; CI, confidence interval; ISS, Injury Severity Score. ^aDefined as head Abbreviated Injury Score ≥ 3.

ISSN: 1364-8535