LOH at 9p21 and p16 methylation by degree of dysplasia
| Mild dysplasia | Moderate dysplasia | Severe dysplasia | Total | Fisher’s exact test | |
|---|---|---|---|---|---|
| 9p21 LOH | 2 (100%) | 8 (66%) | 7 (64%) | 17 (68%) | P = 0.83 |
| 9p21 retention | 0 | 4 | 4 | 8 | |
| Methylation | 1 (33%) | 11 (79%) | 9 (82%) | 21 (75%) | P = 0.24 |
| No methylation | 2 | 3 | 2 | 7 |