Table 1. Characteristics of the study population.
| Variables | N (%) |
|---|---|
| Age (yr) | |
| Median (range) | 53.0 (20–99) |
| < 30 | 418 (2.2) |
| 30–39 | 2,089 (11.1) |
| 40–49 | 4,549 (24.2) |
| 50–59 | 7,130 (37.9) |
| 60–69 | 3,776 (20.1) |
| ≥ 70 | 853 (4.5) |
| Cervical cytology findings | |
| WNL | 15,426 (82.0) |
| ASCUS/AGUS | 3,041 (16.2) |
| LSIL | 178 (0.9) |
| ASC-H | 76 (0.4) |
| HSIL | 94 (0.5) |
| HPV* | |
| Negative | 13,588 (72.2) |
| Any HPV | 5,227 (27.8) |
| HR-HPV | 4,183 (22.2) |
| Carcinogen | 2,875 (15.3) |
| Probably/Possibly carcinogen | 2,059 (10.9) |
| LR-HPV | 2,150 (11.4) |
| Multiple | 1,994 (38.1) |
*Number of HPV infections includes single and multiple infections.
Abbreviations: WNL, well normal limit; ASCUS, atypical squamous cells of undetermined significance; AGUS, atypical glandular cells of undetermined significance; LSIL, low-grade squamous intraepithelial lesion; ASC-H, atypical squamous cells without excluding HSIL; HSIL, high-grade intraepithelial lesion; HPV, human papillomavirus; HR-HPV, high-risk human papillomavirus; LR-HPV, low-risk human papillomavirus.