[Table/Fig-3]:

Risk Factors for Wound Infection

	Univariable analysis		Multivariable analysis
Covariates	Crude OR (95% CI)	p-value	Adjusted OR (95% CI)	p-value
Gender		0.423
Male	1.0
Female	1.3 (0.7-2.5)
Age (years)		0.401
<30	1.0
30 to <40	1.3 (0.6-3.1)
40 to <50	1.1 (0.4-2.5)
>=50	1.8 (0.8-3.9)
Body mass index (kg/ m2)	0.075
<20	1.0
20 to <25	0.6 (0.3-1.4)
25 to <30	1.3 (0.6-2.9)
>=30	1.6 (0.6-4.1)
Co-morbidity		0.257
Yes	1.0
No	0.7 (0.3-1.3)
Diabetes		0.282
Yes	1.0
No	0.6 (0.2-1.5)
ASA score		0.001
1	1.0		1.0
2	1.7 (0.8-3.4)		1.7 (0.8-3.5)	0.151
3+	3.9 (2.0-7.8)		4.4 (2.2.8.8)	<0.001
Technique		0.029
Conventional	1.0		1.0
Laparoscopic	1.9 (1.1-3.2)		4.8 (1.7-13.3)	0.002
Classification		0.017
Clean	1.0		1.0
Clean contaminated	3.8 (1.4-10.2)		5.5 (2.0-14.8)	0.001