Table 3.

Multivariate logistic regression analysis for the association of SSIs with DM

Variable	Odds ratio	95% Confidence interval	p value
Age, y	0.98	0.97–0.99	0.005
Female sex (vs. male sex)	0.74	0.41–1.33	0.32
BMI, kg/m2	1.04	0.98–1.10	0.23
Tobacco use	0.90	0.49–1.65	0.73
Open fractures	5.37	2.94–9.82	< 0.001
DM	1.79	1.01–3.19	0.047

SSIs surgical site infections, DM diabetes mellitus, BMI body mass index