Table 5.

Multivariable analysis results for postoperative complications, including odds ratio estimates with corresponding 95% confidence intervals

Parameter	p value	Category	p value (pairwise)	OR estimate	95% CI
EHS width classification	< 0.001	W3 (> 10 cm) vs W1 (< 4 cm)	< 0.001	2.500	2.135	2.927
		W3 (> 10 cm) vs W2 (≥ 4–10 cm)	< 0.001	1.555	1.380	1.752
		W2 (≥ 4–10 cm) vs W1 (< 4 cm)	< 0.001	1.608	1.397	1.850
Procedure	< 0.001	Open—sublay vs laparoscopic—IPOM	< 0.001	2.291	1.917	2.738
		Open—onlay vs laparoscopic—IPOM	< .001	2.449	1.914	3.133
		Open—IPOM vs laparoscopic—IPOM	< 0.001	1.977	1.622	2.410
		Open—suture vs laparoscopic—IPOM	< 0.001	1.739	1.362	2.220
		Open—suture vs open—sublay	0.013	0.759	0.611	0.943
		Open—suture vs open—onlay	0.014	0.710	0.540	0.934
		Open—IPOM vs open—sublay	0.051	0.863	0.744	1.001
		Open—onlay vs open—IPOM	0.063	1.239	0.988	1.552
		Open—suture vs open—IPOM	0.289	0.880	0.694	1.115
		Open—onlay vs open—sublay	0.504	1.069	0.879	1.300
BMI [5-points-OR]	< 0.001			1.148	1.100	1.198
Drainage	< 0.001	Yes vs no		1.436	1.244	1.657
Risk factors	< 0.001	Yes vs no		1.293	1.163	1.437
EHS classification	< 0.001	Lateral vs medial	< 0.001	0.727	0.625	0.844
		Lateral vs combined	0.066	0.812	0.650	1.014
		Combined vs medial	0.232	0.895	0.746	1.074
ASA score	0.002	III/IV vs II	< 0.001	1.216	1.086	1.360
		III/IV vs I	0.030	1.273	1.023	1.583
		II vs I	0.656	1.047	0.856	1.280
Age [10-years-OR]	0.041			1.047	1.002	1.094
Gender	0.248	Female vs male		0.941	0.850	1.043
Preoperative pain	0.441	Yes vs no	0.204	1.074	0.962	1.198
		Yes vs unknown	0.662	1.042	0.866	1.255
		Unknown vs no	0.764	1.030	0.849	1.250