Table 4.

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

Parameter	p value	Category	p value (pairwise)	OR estimate	95% CI
Procedure	< 0.001	Open—sublay vs laparoscopic—IPOM	< 0.001	0.303	0.226	0.405
		Open—suture vs open—sublay	< 0.001	3.169	2.206	4.552
		Open—IPOM vs laparoscopic—IPOM	< 0.001	0.483	0.343	0.680
		Open—onlay vs laparoscopic—IPOM	< 0.001	0.430	0.269	0.686
		Open—suture vs open—IPOM	0.001	1.987	1.319	2.992
		Open—suture vs open—onlay	0.002	2.232	1.339	3.723
		Open—IPOM vs open—sublay	0.004	1.595	1.157	2.198
		Open—onlay vs open—sublay	0.120	1.420	0.913	2.207
		Open—onlay vs open—IPOM	0.640	0.890	0.546	1.450
		Open—suture vs laparoscopic—IPOM	0.822	0.959	0.669	1.376
Drainage	< 0.001	Yes vs no		2.657	2.035	3.468
EHS width classification	< 0.001	W3 (> 10 cm) vs W1 (< 4 cm)	< 0.001	2.399	1.730	3.326
		W2 (≥ 4–10 cm) vs W1 (< 4 cm)	< 0.001	2.036	1.548	2.678
		W3 (> 10 cm) vs W2 (≥ 4–10 cm)	0.198	1.178	0.918	1.512
Age [10-years-OR]	0.012			1.117	1.024	1.218
Gender	0.024	Female vs male		1.266	1.032	1.553
EHS classification	0.272	Lateral vs medial	0.108	0.790	0.592	1.053
		Lateral vs combined	0.418	0.840	0.550	1.282
		Combined vs medial	0.730	0.941	0.664	1.333
ASA score	0.383	II vs I	0.183	0.787	0.554	1.120
		III/IV vs I	0.386	0.841	0.569	1.244
		III/IV vs II	0.570	1.068	0.851	1.341
BMI [5-points-OR]	0.455			0.966	0.883	1.057
Preoperative pain	0.818	Unknown vs no	0.527	1.124	0.782	1.616
		Yes vs unknown	0.595	0.910	0.644	1.287
		Yes vs no	0.834	1.024	0.823	1.274
Risk factors	0.840	Yes vs no		0.978	0.791	1.211