From: Association between PEG3 DNA methylation and high-grade cervical intraepithelial neoplasia
Characteristic | ≤CIN1 (n = 347) n (%) | CIN2 (n = 52) n (%) | CIN3+ (n = 20) n (%) | p value |
---|---|---|---|---|
Age (median, IQR) | 28.5 (11.5) | 27.6 (11.6) | 31.5 (15.1) | .23 |
HPV infection | Â | Â | Â | .07 |
 None | 34 (9.8) | 3 (5.8) | 0 (0.0) |  |
 High-risk | 246 (70.9) | 44 (84.6) | 19 (95.0) |  |
 Low-risk | 67 (19.3) | 5 (9.6) | 1 (5.0) |  |
Ethnicity | Â | Â | Â | .59 |
 Non-Hispanic Black | 145 (41.8) | 18 (34.6) | 5 (25.0) |  |
 Non-Hispanic White | 166 (47.8) | 27 (51.9) | 13 (65.0) |  |
 Hispanic | 16 (4.6) | 4 (7.7) | 1 (5.0) |  |
 Othera | 20 (5.8) | 3 (5.8) | 1 (5.0) |  |
Current cigarette smokingb | Â | Â | Â | <.0001 |
 Yes | 46 (13.3) | 19 (36.5) | 7 (35.0) |  |
 No | 301 (86.7) | 33 (63.5) | 13 (65.0) |  |
Parityb | Â | Â | Â | .003 |
 Nulliparous | 186 (53.6) | 18 (35.3) | 6 (30.0) |  |
 Parous | 161 (46.4) | 33 (64.7) | 14 (70.0) |  |
Hormonal contraceptive useb | Â | Â | Â | .26 |
 Yes | 260 (79.8) | 35 (77.8) | 13 (72.2) |  |
 No | 66 (20.2) | 10 (22.2) | 5 (27.8) |  |