Table 1. Rate of HPV infection and age distributions in study samples.
| Variables | Normal | CIN 1 | CIN 2 | CIN 3 | Cervical cancer | Total | ||
|---|---|---|---|---|---|---|---|---|
| Number | 400 | 399 | 400 | 400 | 399 | 1,988 | ||
| Age | 31.4±7.5 | 34.5±10.0 | 32.9±7.3 | 32.3±7.0 | 51.0±13.1 | 36.3±11.8 | ||
| HPV infection (%) | ||||||||
| HR-HPV | 389 (97.3) | 365 (91.5) | 398 (99.5) | 398 (99.5) | 386 (99.2) | 1,936 (97.4) | ||
| Single | 303 (77.9) | 257 (70.4) | 268 (67.3) | 281 (70.6) | 356 (92.2) | 1,465 (75.7) | ||
| Multiple | 86 (22.1) | 108 (29.6) | 130 (32.7) | 117 (29.4) | 30 (7.8) | 471 (24.3) | ||
| Only LR-HPV | 11 (2.7) | 34 (8.5) | 2 (0.5) | 2 (0.5) | 3 (0.8) | 52 (2.6) | ||
| HR+LR HPV | 122 (30.5) | 123 (30.8) | 109 (27.3) | 74 (18.5) | 11 (2.8) | 439 (22.1) | ||
Values are presented as number of patients (%) or mean ± standard deviation.
HPV, human papillomavirus; HR, high-risk; LR, low-risk.