| Variable | Frequency (f) | Percentage (%) |
| Age |
|
|
| 19 years of age or younger | 17 | 4 |
| 20 - 34 years | 82 | 19.4 |
| 35 - 49 years | 97 | 22.9 |
| 50 - 64 years | 118 | 27.9 |
| 65 - 79 years | 89 | 21.09 |
| 80 years or older | 19 | 4.5 |
| Gender |
|
|
| Female | 160 | 37.9 |
| Male | 262 | 62.1 |
| Smokers | 121 | 28.6 |
| Alcohol | 76 | 18 |
| KAH | 49 | 11.6 |
| KY | 35 | 8.3 |
| DM | 83 | 19.6 |
| COPD | 24 | 5.6 |
| Malignancy | 150 | 35.5 |
| KT | 47 | 11.1 |
| RT | 22 | 5.2 |
| Previous abdominal op. | 101 | 23.9 |
| Steroid therapy | 29 | 6.8 |
| Immunosuppressive therapy | 35 | 8.3 |
| Emergency | 141 | 33.4 |
| Elective | 281 | 66.5 |
| Collagen tissue disease | 2 | 0.5 |