Table 10.

Multivariable analyses of operation time

Parameters	p	Category	LS mean estimate	95 % confidence interval
				Lower CL	Upper CL
Uni- vs. bilateral	<.001	Unilateral	46.68	44.39	49.08
		Bilateral	62.29	59.10	65.65
EHS scrotal	<.001	Yes	60.72	56.48	65.28
		No	47.88	45.90	49.94
Sex	<.001	Male	56.24	53.53	59.09
		Female	51.69	48.92	54.63
Defect size	<.001	I (<1.5 cm)	53.02	50.23	55.96
		II (1.5–3 cm)	52.88	50.22	55.69
		III (>3 cm)	55.91	53.10	58.87
ASA score	0.005	I	57.56	55.52	59.67
		II	56.03	54.16	57.97
		III	55.53	53.36	57.79
		IV	47.20	40.19	55.44
Age (ML estimate)	0.449		0.002	−0.004	0.008