| SSI | Large tissue bites | Small tissue bites | p value |
| Present | 15 | 10 |
|
| Absent | 35 | 40 |
|
| Total | 50 | 50 | 0.355 |
|
| Mean = 25 S.D = 14.14 | Mean = 25 S.D = 21.2 |
|