Table 8.

Results of the multivariable analysis for pain at rest in the follow-up including odds ratios with corresponding 95% confidence interval

Variable	p-value	Categories	Odds ratio	LCL	UCL	p-value (pair-wise)
Age [10-years-OR]	< 0.001		0.822	0.801	0.844
Preoperative pain	< 0.001	Yes vs. no	1.682	1.555	1.820	< 0.001
		Unknown vs. no	1.413	1.238	1.613	< 0.001
		Yes vs. unknown	1.190	1.055	1.343	0.005
Gender	< 0.001	Female vs. male	1.544	1.444	1.650
Postoperative complications	< 0.001	Yes vs. no	1.775	1.609	1.958
EHS classification	< 0.001	Medial vs. lateral	0.674	0.618	0.735	< 0.001
		Lateral vs. combined	1.264	1.099	1.453	< 0.001
		Medial vs. combined	0.852	0.754	0.962	0.010
BMI [5-points-OR]	< 0.001		0.931	0.905	0.958
Recurrent operation	< 0.001	Yes vs. no	1.180	1.090	1.277
Drainage	< 0.001	Yes vs. no	1.174	1.075	1.282
Defect size	< 0.001	III (> 10 cm) vs. I (< 4 cm)	1.227	1.104	1.363	< 0.001
		II (4—10 cm) vs. I (< 4 cm)	1.136	1.043	1.237	0.003
		III (> 10 cm) vs. II (4–10 cm)	1.080	0.989	1.179	0.086
ASA	< 0.001	III/IV vs. I	1.297	1.136	1.481	< 0.001
		II vs. I	1.215	1.082	1.365	< 0.001
		III/IV vs. II	1.067	0.988	1.152	0.099
Mesh	0.151	Yes vs. no	1.198	0.936	1.532
Risk factors	0.165	Yes vs. no	1.051	0.980	1.127
Operation technique	0.378	Component separation vs. open—IPOM	1.147	0.966	1.362	0.118
		Open—IPOM vs. open—onlay	0.902	0.783	1.040	0.156
		Component separation vs. open—sublay	1.117	0.954	1.307	0.169
		Open—onlay vs. open—sublay	1.079	0.953	1.222	0.228
		Open—direct suture vs. Component separation	0.841	0.623	1.133	0.255
		Open—direct suture vs. open—onlay	0.870	0.658	1.150	0.328
		Open—IPOM vs. open—sublay	0.974	0.888	1.068	0.573
		Open—direct suture vs. open—sublay	0.939	0.724	1.218	0.634
		Component separation vs. open—onlay	1.035	0.854	1.254	0.727
		Open—direct suture vs. open—IPOM	0.964	0.739	1.257	0.787