Table 5. Stratification of variables against SSI.
SSI: surgical site infection, LSC: linear skin closure, PSA: purse-string approximation, BMI: body mass index
| Stratification | Group | SSI | No SSI | p-value |
| Age groups (20-40 years) | LSC | 3 | 13 | 0.414 |
| Age groups (20-40 years) | PSA | 5 | 11 | 0.414 |
| Age groups (41-60 years) | LSC | 3 | 21 | 0.155 |
| Age groups (41-60 years) | PSA | 7 | 17 | 0.155 |
| BMI (19.00-25.00 kg/m2) | LSC | 4 | 18 | 0.627 |
| BMI (19.00-25.00 kg/m2) | PSA | 6 | 19 | 0.627 |
| BMI (25.01-35.00 kg/m2) | LSC | 2 | 16 | 0.054 |
| BMI (25.01-35.00 kg/m2) | PSA | 6 | 9 | 0.054 |
| Gender (male) | LSC | 3 | 22 | 0.049 |
| Gender (male) | PSA | 8 | 14 | 0.049 |
| Gender (female) | LSC | 3 | 12 | 0.876 |
| Gender (female) | PSA | 4 | 14 | 0.876 |
| ASA Class (ASA 1) | LSC | 2 | 16 | 0.101 |
| ASA Class (ASA 1) | PSA | 7 | 14 | 0.101 |
| ASA Class (ASA ≥2) | LSC | 4 | 18 | 0.530 |
| Nature of stoma (ileostomy) | LSC | 4 | 32 | 0.181 |
| Nature of stoma (ileostomy) | PSA | 6 | 19 | |
| Nature of stoma (colostomy) | LSC | 2 | 2 | 0.719 |
| Nature of stoma (colostomy) | PSA | 6 | 9 | |
| Indication of stoma formation (bowel obstruction) | LSC | 0 | 2 | 0.361 |
| Indication of stoma formation (bowel obstruction) | PSA | 1 | 2 | |
| Indication of stoma formation (bowel perforation) | LSC | 4 | 7 | 0.460 |
| Indication of stoma formation (bowel perforation) | PSA | 0 | 1 | |
| Indication of stoma formation (diversion for benign disease) | LSC | 1 | 8 | 0.183 |
| Indication of stoma formation (diversion for benign disease) | PSA | 7 | 13 | |
| Indication of stoma formation (diversion for malignant disease) | LSC | 1 | 17 | 0.110 |
| Indication of stoma formation (diversion for malignant disease) | PSA | 4 | 12 |