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Table 3 Pre operative factors associated with surgical site infection at Bugando medical centre

From: Predictors of surgical site infections among patients undergoing major surgery at Bugando Medical Centre in Northwestern Tanzania

Variable Surgical site infection    
  Yes n (%), N = 65 No n (%), N = 185 P value OR 95% CI
Preoperative duration of hospitalization      
≤ 7 days 41 (63%) 140 (75.7%)   1  
> 7 days 24 (37%) 45 (24.3%) 0.05 1.82 0.99-3.33
Antimicrobial prophylaxis      
Yes 6 (9.2%) 35 (18.9%)   1  
No 59 (90.8%) 150 (81.1%) 0.08 2.29 0.91-5.73
Hair removal      
Yes 1 (1.5%) 5 (2.7%) 0.59 1.78 0.20-15.5
No 64 (98.5%) 180 (97.3%)   1  
ASA      
I 30 (46.2%) 168 ((90.8%)   1  
II 27 (41.5%) 16 (8.6%) < 0.001 9.45 4.55-16.6
III 8 (12.3%) 1 (0.6%) < 0.001 44.8 5.4-371.3
Skin preparation      
Iodine alone 38 (58.5%) 16(8.7%) < 0.001 13.9 6.8-28.2
Iodine and spirit 27 (41.5%) 158 (86.5%)   1  
  1. ASA: American Society of Anesthesiologists