Table 2 Clinical characteristics of study participants (N = 338)
Variables | Frequency | % |
|---|---|---|
ASA score | ||
 < 2 | 274 | 81.1 |
 ≥ 2 | 64 | 18.9 |
Surgical site | ||
 Non abdominal | 63 | 18.6 |
 Intra-abdominal | 213 | 63.0 |
 Obstetric | 62 | 18.3 |
BMI | ||
 < 25 | 313 | 92.6 |
 ≥ 25 | 25 | 7.4 |
Pre-op blood transfusion | ||
 No | 312 | 92.6 |
 Yes | 25 | 7.4 |
Comorbidities | ||
 Absent | 249 | 73.7 |
 Present | 89 | 26.3 |
Pre-op admission | ||
 ≤ 24 h | 203 | 60.2 |
 > 24 h | 134 | 39.8 |
Pre-op antibiotics | ||
 No | 248 | 73.4 |
 Yes | 90 | 26.6 |
Surgery duration | ||
 < 120 min | 293 | 86.7 |
 ≥ 120 min | 45 | 13.3 |
Type of anaesthesia | ||
 Local/spinal | 157 | 46.5 |
 General | 181 | 53.5 |
Type of suture | ||
 Absorbable only | 137 | 40.5 |
 Non-absorbable only | 83 | 24.6 |
 Both | 12 | 3.6 |
 Not reported | 106 | 31.4 |
Intra-op blood transfusion | ||
 No | 293 | 86.9 |
 Yes | 44 | 13.1 |
Number of surgeons | ||
 ≤ 2 | 265 | 78.4 |
 > 2 | 73 | 21.6 |
Number of scrub nurses | ||
 1 | 325 | 96.1 |
 > 1 | 13 | 3.9 |
Number of anaesthetists | ||
 1 | 219 | 64.8 |
 > 1 | 119 | 35.2 |
Intra-op antibiotics | ||
 No | 104 | 30.9 |
 Yes | 233 | 69.1 |
Type of wound | ||
 Clean | 191 | 56.5 |
 Clean-contaminated | 116 | 34.3 |
 Contaminated | 31 | 9.2 |
Post op antibiotics | ||
 No | 55 | 16.3 |
 Yes | 282 | 83.7 |
Post op NG tube | ||
 No | 296 | 88.1 |
 Yes | 40 | 11.9 |
Post op urinary catheter | ||
 No | 199 | 58.9 |
 Yes | 139 | 41.1 |
Surgical drains use | ||
 No | 266 | 78.9 |
 Yes | 71 | 21.1 |
Impaired glucose tolerance | ||
 No | 298 | 88.2 |
 Yes | 40 | 11.8 |
Surgical site infection (SSI) | ||
 Absent | 299 | 88.5 |
 Present | 39 | 11.5 |
Type of SSI | ||
 Superficial | 27 | 69.0 |
 Deep | 12 | 31.0 |