Table 2.
Patients’ colposcopic features summary statistics a by VAIN grade at diagnosis.
| Characteristic | Category | VAIN Grade | ||||
|---|---|---|---|---|---|---|
| All Patients n = 255 |
VAIN 1 n = 52 |
VAIN 2 n = 55 |
VAIN 3 b n = 148 |
p-Value | ||
| Grade | G1 | 134 (53.4) | 45 (88.2) | 41 (74.6) | 48 (33.1) | |
| G2 | 117 (46.6) | 6 (11.8) | 14 (25.4) | 97 (66.9) | <0.001 | |
| Lesion type | Flat | 145 (59.2) | 41 (80.4) | 38 (70.4) | 66 (47.1) | |
| Papillary | 100 (40.8) | 10 (19.6) | 16 (29.6) | 74 (52.9) | <0.001 | |
| Multifocality | Unifocal | 141 (56.6) | 34 (65.4) | 29 (53.7) | 78 (54.6) | |
| Multifocal | 108 (43.4) | 18 (34.6) | 25 (46.3) | 65 (45.4) | 0.36 | |
| Vascular pattern | No | 196 (80.3) | 51 (98.1) | 51 (92.7) | 94 (68.6) | |
| Yes | 48 (19.7) | 1 (1.9) | 4 (7.3) | 43 (31.4) | <0.001 | |
| Vaginal localization | Vault | 98 (38.7) | 15 (28.9) | 21 (38.2) | 62 (42.5) | |
| Upper third | 114 (45.1) | 24 (46.2) | 24 (43.6) | 66 (45.2) | ||
| Middle third | 26 (10.3) | 10 (19.2) | 8 (14.6) | 8 (5.5) | ||
| Lower third | 15 (5.9) | 3 (5.8) | 2 (3.6) | 10 (6.9) | 0.09 | |
an (column %); b Including n = 10 VAIN3 with stromal microinvasion; VAIN = Vaginal Intraepithelial Neoplasia; G = Grade.