Table-4.

Regression analyses of factors predicting complications after extra-peritoneal bladder injury

	Univariable		Multivariable
	RR (95% CIs)	p value	RR (95% CIs)	p value
Age (per year)	1.02 (1.00–1.04)	0.05	1.02 (0.99–1.04)	0.16
Male sex	1.01 (0.50–2.01)	0.99	---	---
ISS (per unit)	1.02 (1.00–1.05)	0.07	1.01 (0.98–1.04)	0.41
Penetrating Trauma	0.32 (0.10–1.05)	0.06	0.68 (0.15–2.94)	0.61
Pelvic fracture	2.67 (0.81–8.72)	0.11	---	---
Bladder neck/urethral injury	3.02 (1.49–6.11)	0.002	2.69 (1.21–5.97)	0.01
Colon/rectal injury	1.25 (0.54–2.87)	0.60	---	---
Pelvic orthopedic procedure	2.03 (0.97–4.25)	0.06	1.31 (0.55–3.12)	0.53
Non-operative management	1.20 (0.60–2.40)	0.60	1.20 (0.53–2.72)	0.66