| Findings | Before | After |
| Detailed | ||
| G0 | 26 (12.9%) | 22 (10.9%) |
| GI | 134 (66.7%) | 48 (23.9%) |
| GIIa | 27 (13.4%) | 25 (12.4%) |
| GIIb | 13 (6.5%) | 28 (13.9%) |
| GIII | 1 (0.5%) | 78 (38.8%) |