Table 4. Univariate logistic regression to assess predictors of SSI.

Variables	Univariate model
	Crude RR (95% CI)	P-value
Age (years)	1.02(0.98-1.06)	0.347
Gender: Male	0.35(0.04-2.78)	0.322
Any co-morbidities: Present	0.91(0.24-3.52)	0.892
Duration of hospital stay (in days)	1.07(0.95-1.2)	0.258
Skin Preparation: Povidone iodine+Spirit	0.47(0.13-1.66)	0.240
Skin Preparation: Chlorhexidine	0(0-Inf)	0.994
Frequency of wound dressing: Daily	14.08(1.78-111.11)	0.012
Type of dressing used: Povidone iodine+gauze	10.15(1.29-80.10)	0.028
Serum albumin (g/dl)	1.80(0.33-9.71)	0.493