Table 3.
Patients’ colposcopic features summary statistics a by VAIN grade at diagnosis, considering microinvasive VAIN3 as a separate category.
| Characteristic | Category | VAIN | |||||
|---|---|---|---|---|---|---|---|
| All Patients n = 255 |
VAIN 1 n = 52 |
VAIN 2 n = 55 |
VAIN 3 n = 138 |
VAIN 3 Microinvasive n = 10 |
p-Value | ||
| Grade | G1 | 134 (53.4) | 45 (88.2) | 41 (74.6) | 48 (35.6) | 0 | |
| G2 | 117 (46.6) | 6 (11.8) | 14 (25.4) | 87 (64.4) | 10 (100) | <0.001 | |
| Lesion type | Flat | 145 (59.2) | 41 (80.4) | 38 (70.4) | 66 (50.4) | 0 | |
| Papillary | 100 (40.8) | 10 (19.6) | 16 (29.6) | 65 (49.6) | 9 (90.0) | <0.001 | |
| Multifocality | Unifocal | 141 (56.6) | 34 (65.4) | 29 (53.7) | 76 (56.7) | 2 (22.2) | |
| Multifocal | 108 (43.4) | 18 (34.6) | 25 (46.3) | 58 (43.3) | 7 (77.8) | 0.11 | |
| Vascularity | No | 196 (80.3) | 51 (98.1) | 51 (92.7) | 89 (69.5) | 5 (55.6) | |
| Yes | 48 (19.7) | 1 (1.9) | 4 (7.3) | 39 (30.5) | 4 (44.4) | <0.001 | |
| Vaginal localization | Vault | 98 (38.7) | 15 (28.9) | 21 (38.2) | 58 (42.7) | 4 (40.0) | |
| Upper third | 114 (45.1) | 24 (46.2) | 24 (43.6) | 61 (44.9) | 5 (50.0) | ||
| Middle third | 26 (10.3) | 10 (19.2) | 8 (14.6) | 8 (5.9) | 0 | ||
| Lower third | 15 (5.9) | 3 (5.8) | 2 (3.6) | 9 (6.6) | 1 (10.0) | 0.23 | |
an (column %); VAIN = Vaginal Intraepithelial Neoplasia; G = Grade.