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Table 2 Factors associated with surgical site infection as shown by univariate and multivariate analyses results (N = 98)

From: Abdominal fascia closure following elective midline laparotomy: a surgical experience at a tertiary care hospital in Tanzania

Independent variables Surgical site infection Univariate analysis Multivariate analysis
Yes (N/%) No (N/%) OR (95% CI) p value OR (95% CI) p value
Type of closure
 Mass closure 86 (42.2) 118 (57.8)     
 Layered closure 12 (40.0) 18 (60.0) 2.1(0.2–3.4) 0.985   
Fascia suture technique
 Continuous 70 (42.2) 96 (57.8)     
 Interrupted 28 (41.2) 19 (58.8) 0.3 (0.1–2.2) 0.134   
Suture absorption
 Non-absorbable 34 (42.5) 46 (57.5)     
 Absorbable 64 (45.1) 78 (54.9) 1.3 (0.3–2.5) 0.076   
Suture material
 Monofilament 24 (36.4) 42 (63.6)     
 Multifilament 74 (44.0) 94 (56.0) 2.1 (1.1–3.2) 0.011 1.4 (0.4–2.6) 0.051
Suture type
 Prolene/nylon 44 (42.3) 60 (57.7)     
 Vicryl 54 (41.5) 76 (58.5) 1.6 (0.5–2.7) 0.432