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Table 5 Factors associated with stitch sinus formation as shown by univariate and multivariate analyses results (N = 40)

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

Independent variables Stitch sinus formation Univariate analysis Multivariate analysis
Yes (N/%) No (N/%) OR (95% CI) p value OR (95% CI) p value
Type of closure
 Massive closure 35 (16.7) 169 (83.3)     
 Layered closure 5 (17.2) 25 (82.8) 1.1 (0.8–2.1) 0.611   
Fascia suture technique
 Continuous 32 (15.7) 172 (84.3)     
 Interrupted 8 (26.7) 22 (73.3) 1.4 (0.6–4.0) 0.814   
Suture absorption
 Non-absorbable 24 (23.1) 80 (76.9)     
 Absorbable 16 (12.3) 114 (87.7) 4.5 (3.1–8.9) 0.024 1.3 (1.1–4.6) 0.023
Suture material
 Monofilament 18 (17.3) 86 (82.7)     
 Multifilament 22 (16.4) 112 (83.6) 1.2 (0.9–3.6) 0.452   
Suture type
 Prolene/nylon 28 (28.0) 72 (72.0)     
 Vicryl 12 (8.9) 122 (91.1) 3.9 (2.8–4.6) 0.032   
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