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Table 5 Multivariate logistic regression analysis of factors associated with SSI

From: Predictors of surgical site infections among patients undergoing major surgery at Bugando Medical Centre in Northwestern Tanzania

Predictor variable Odd ratio 95% CI P- value
Pre-morbid illness 6.1 1.3-28.9 0.022
ASA Classification above I 0.7 0.15-3.7 0.713
Use of drain 3.5 1.4-19.3 0.016
Use of iodine alone in skin preparation 17.6 6.5-48.1 < 0.001
Duration of Operation ≥ 3 hrs 3.2 1.1-9.3 0.033
Use of Vicryl 2.4 0.78-7.2 0.129
Cigarette smoking 9.6 2.4-38.3 0.001