Table 5.

Multivariable logistic regression identifying risk factors for POUR

	Univariate		Multivariate
Variable	OR (95% CI)	P value	OR (95% CI)	P Value
Age, 10 years	1.3 (1.1–1.4)	<0.001	1.3 (1.1–1.5)	<0.001
Female gender	0.6 (0.4–0.8)	0.002	0.5 (0.3–0.7)	0.001
Epidural	1.0 (0.7–1.5)	0.86	1.5 (1.0–2.3)	0.05
IUC duration
≤ 2 days	Ref		Ref
2–4 days	0.6 (0.3–0.9)	0.02	0.5 (0.3–0.8)	0.003
> 4 days	0.4 (0.2–0.7)	0.003	0.3 (0.2–0.5)	<0.001

Abbreviations: CI, confidence interval; OR, odds ratio; IUC, indwelling urinary catheter; POUR, postoperative urinary retention