Table 9.

Multivariable analyses of postoperative seroma

Parameters	p	Category	OR estimate	95 % confidence interval
				Lower CL	Upper CL
EHS scrotal	0.003	Yes vs. no	4.390	1.64	11.719
Sex	0.119	Male vs. female	4.858	0.67	35.491
Uni- vs. bilateral	0.228	Bilateral vs. unilateral	1.403	0.81	2.435
Defect size	0.263	I (<1.5 cm) vs. III (>3 cm)	0.398	0.13	1.221
		II (1.5–3 cm) vs. III (>3 cm)	0.763	0.42	1.399
Age (10-year OR)	0.386		1.097	0.89	1.352
ASA score	0.996	II vs. I	1.024	0.53	1.989
		III vs. I	0.923	0.34	2.478
		IV vs. I