Evaluating risk factors for surgical site infections and the effectiveness of prophylactic antibiotics in patients undergoing laparoscopic cholecystectomy

Table 2 Multivariate logistic regression analysis of factors associated with surgical site infections in patients undergoing laparoscopic cholecystectomy

Factors	β	Standard error	Wald	OR	95%CI for OR	P value
Prophylactic use of antibiotics	-0.365	1.504	4.17	0.694	0.650-0.740	0.008
Age (≥ 60 years)	0.328	1.275	3.89	3.702	1.311-4.545	0.044
Diabetes mellitus	0.237	1.095	2.798	2.599	1.110-3.950	0.018
Insufficient cystic duct stump	0.361	1.392	4.053	3.865	1.345-4.900	0.026
Gallbladder perforation	0.280	1.015	3.457	3.150	1.125-4.295	0.043
Gallbladder empyema	0.291	1.288	3.270	3.055	1.118-4.135	0.011
Postoperative hematoma	0.235	1.215	2.735	2.575	1.030-3.750	0.029

OR: Odds ratio; CI: Confidence interval.