| Study group | Pathological degrees | Statistical analysis | ||||
| No | Mild | Moderate | Severe | Total | ||
| No. (%) | No. (%) | No. (%) | No. (%) | No. (%) | ||
| GIa | - | 1 (10) | 3 (30) | 6 (60) | 10 (100) | X2 = 9.364 P = 0.053* |
| GIIa | 8 (80) | 1 (10) | 1 (10) | - | 10 (100) | |