Distribution of number of subjects for each score category in the derivation cohort
| Score | No. of subject (%) | No. of subjects with advanced neoplasia (%) |
| 0 | 57 (6.6) | 0 |
| 1 | 108 (12.6) | 0 |
| 2 | 205 (23.8) | 3 (1.5) |
| 3 | 249 (29) | 17 (6.8) |
| 4 | 186 (21.6) | 13 (7.0) |
| 5 | 45 (5.2) | 4 (8.9) |
| 6 | 10 (1.2) | 2 (20) |
| 7 | 0 | 0 |
| Total | 860 (100) | 39 (4.5) |