| Rectal touch result | number | % |
| Regular contour | 741 | 97.89 |
| Irregular contour | 16 | 2.11 |
| Hard, stony consistency | 730 | 96.43 |
| Stony consistency | 27 | 3.57 |
| Presence of median furrow | 160 | 21.14 |
| Absence of median furrow | 597 | 78.86 |
| Presence of nodule | 24 | 3.17 |
| Absence of nodule | 733 | 96.83 |