Accuracy of clinical stage after stage comparison (n, %)
| Clinical stage | Stage comparison | ||
| Unchanged | Clinically overstaged | Clinically understaged | |
| IA | 1348 (90.0) | 0 (0) | 150 (10.0) |
| IB1 | 6250 (87.5) | 123 (1.7) | 773 (10.8) |
| IB2 | 598 (57.4) | 369 (35.5) | 74 (7.1) |
| IIA1 | 518 (20.3) | 1865 (72.9) | 174 (6.8) |
| IIA2 | 112 (25.5) | 309 (70.4) | 18 (4.1) |
| Total | 8826 (69.6) | 2666 (21.0) | 1189 (9.4) |