Micro-power negative pressure wound technique reduces risk of incision infection following loop ileostomy closure

Table 3 Logistic analysis of risk factors for surgical site infection

Variable	Univariate		Multivariate
	OR (95%CI)	P value	OR (95%CI)	P value
Female gender	0.465 (0.091–2.367)	0.357
Age (yr)	1.034 (0.965–1.107)	0.343
BMI (kg/m2)	1.115 (0.929–1.337)	0.241
ASA score 3	3.708 (0.345–39.908)	0.28
Hypertension	3.257 (0.765–13.863)	0.11
Diabetes	5.891 (1.371–25.311)	0.017	26.575 (1.391–507.694)	0.029
HB (g/L)	0.967 (0.921–1.016)	0.189
Albumin (g/L)	1.053 (0.883–1.254)	0.567
MPNPWT	0.110 (0.013–0.913)	0.041	0.005 (0.000–0.515)	0.025
Perioperative CRT	0.880 (0.222–3.492)	0.855
Blood loss (mL)	1.010 (0.910–1.122)	0.849
Operative time (min)	1.007 (0.973–1.043)	0.677

ASA: American Society of Anaesthesiology; MPNPWT: Micro-power negative pressure wound technique; BMI: Body mass index; HB: Hemoglobin; CRT: Chemoradiotherapy; OR: Odds ratio; 95%CI: 95% confidence interval.