Table 4.

Subgroup analysis: Multivariable logistic regression predicting successful REBOA placement for patients not under CPR

Variable	Odds Ratio (95% CI)	p-value
Low-Volume Hospitals	Reference
Mid-Volume Hospitals	Omitted, low sample size
High-Volume Hospitals	8.86 (1.47–53.61)	0.017
Age 18–26	Reference
Age 27–40	0.05 (0.00–1.03)	0.052
Age 41–58	0.18 (0.01–7.14)	0.361
Age 59+	0.13 (0.01–2.67)	0.187
Female sex	1.17 (0.16–8.79)	0.880
Penetrating trauma	0.62 (0.04–9.07)	0.728
Transferred from another hospital	0.35 (0.02–5.43)	0.451
REBOA placed in OR (vs. ED)	1.19 (0.10–10.43)	0.990
ISS score 2–29	Reference
ISS score 30–41	0.09 (0.01–1.38)	0.083
ISS score 42–75	0.11 (0.01–1.66)	0.112
GCS ≤ 13	Reference
GCS 14–15	3.08 (0.35–26.87)	0.31