Table 2.
Characteristics of study population, dysplasia grade and DNA ploidy diagnosis.
| Including transformation within 6 months of index lesion | Excluding transformation within 6 months of index lesion | ||||
|---|---|---|---|---|---|
| n (%) | Malignant transformation n (%) | n (%) | Malignant transformation n (%) | ||
| Total patients | 228 | 24 (10.5) | 219 | 15 (6.9) | |
| Age (years) | Mean (SD) | 55 (13.9) | 60.4 (10.4) | 55 (14.1) | 62.2 (11.6) |
| Gender | Male | 122 (53.5) | 11 (45.8) | 118 (53.9) | 7 (46.7) |
| Female | 106 (46.5) | 13 (54.2) | 101 (46.1) | 8 (53.3) | |
| Dysplasia grade | None | 121 (53.1) | 1 (4.2) | 121 (55.3) | 1 (6.7) |
| Mild | 47 (20.6) | 2 (8.3) | 47 (21.5) | 2 (13.3) | |
| Moderate | 32 (14.0) | 7 (29.2) | 30 (13.7) | 5 (33.3) | |
| Severe | 28 (12.3) | 14 (58.3) | 21 (9.5) | 7 (46.7) | |
| DNA Ploidy | Diploid | 183 (80.3) | 10 (41.7) | 180 (82.2) | 7 (46.7) |
| Tetraploid | 3 (1.3) | 0 (0) | 3 (1.4) | 0 (0) | |
| Aneuploid | 42 (18.4) | 14 (58.3) | 36 (16.4) | 8 (53.3) | |