Table 3.

Multivariate regression analysis

Intercept and variables	Prediction model
	Regression coefficient	Odds ratio (95% CI)	P
Age	-5.1465	0.0059 (0.0008-0.0321)	0.0085
BMI	1.5748	4.9874 (1.6987-14.6525)	0.0048
Preoperative VAS score	1.9874	7.3354 (1.8974-38.2054)	0.0074
Postoperative VAS score	1.0245	2.8974 (1.2354-6.5974)	0.0165
Postoperative wound infection	1.5598	4.7852 (2.3247-12.2506)	0.0001
Diabetes	1.2587	3.5478 (1.5874-8.9874)	0.0045

BMI, body mass index; VAS, visual analog scale.