Table 2 Risk factors associated with developing an SSI
Variables | Total | Patients with SSI | P value | |
|---|---|---|---|---|
Sex | Male | 43 (50.4%) | 13 (30.2%) | 0.555 |
Female | 37 (49.7%) | 9 (24.3%) | ||
Medical comorbidities | No | 54 (67.5%) | 12 (22.2%) | 0.128 |
Yes | 26 (32.5%) | 10 (38.5%) | ||
Surgical condition | Non malignant | 52 (65.0%) | 5 (9.60%) | > 0.001 |
Malignant | 28 (35.0%) | 17 (60.7%) | ||
Bowel preparation | No | 41 (51.3%) | 9 (22.0%) | 0.254 |
Yes | 39 (48.8%) | 13 (33.3%) | ||
Second antibiotic dose | No | 76 (95.0%) | 20 (26.3%) | 0.301 |
Yes | 4 (5.0%) | 2 (50.0%) | ||
Site of operation | Small bowel | 16 (20.0%) | 8 (50.0%) | 0.074 |
Large bowel | 37 (46.3%) | 6 (16.2%) | ||
Biliary | 25 (31.3%) | 7 (28.0%) | ||
Pancreatic | 2 (2.5%) | 1 (50.0%) | ||
Classification of surgery | Clean | 2 (2.5%) | 1 (50.0%) | 0.746 |
Clean-contaminated | 39 (48.8%) | 11 (28.2%) | ||
Contaminated | 39 (48.8%) | 10 (25.6%) | ||
Intra-operative hypotension | No | 39 (48.8%) | 6 (15.4%) | 0.018 |
Yes | 41 (51.3%) | 16 (39.0%) | ||
Duration of operation | Less than 3 hours | 60 (70.6%) | 8 (14.3%) | > 0.001 |
More than 3 hours | 25 (29.4%) | 14 (58.3%) | ||
Intra-operative blood loss | No blood loss | 48 (60.0%) | 4 (8.30%) | > 0.001 |
Less than 500 ml | 18 (22.5%) | 9 (50.0%) | ||
More than 500 ml | 7 (8.5%) | 3 (42.9%) | ||
Type of antibiotics prophylaxis | 2nd generation cephalosporin | 40 (50.0%) | 10 (25.0%) | 0.383 |
Metronidazol + 2nd generation cephalosporin | 35 (43.8%) | 11 (31.4%) | ||
Metronidazol | 4 (5%) | 0 | ||