Table 5 Distribution of HPV infection by age group in 25,344 women with high-risk HPV infection
From: Epidemiology and genotypes analysis of human papillomavirus infection in Beijing, China
Age group | Cases no. | Positive no. | HPV Positive Prevalence (%) | 95% Cl | χ2 (P) | |
|---|---|---|---|---|---|---|
Single infection | Multiple infections | |||||
< 20 | 61 | 23 | 11 | 34 (55.7) | 42.9–68.6 | 180.575 (< 0.001) |
20–24 | 950 | 252 | 105 | 357 (37.6) | 34.5–40.7 | |
25–29 | 5,383 | 938 | 303 | 1,241 (23.1) | 21.9–24.2 | |
30–34 | 5,499 | 1,010 | 269 | 1,279 (23.3) | 22.1–24.4 | |
35–39 | 3,361 | 661 | 157 | 818 (24.3) | 22.9–25.8 | |
40–44 | 3,455 | 608 | 140 | 748 (21.6) | 20.3–23.0 | |
45–49 | 2,666 | 479 | 115 | 594 (22.3) | 20.7–23.9 | |
50–54 | 1,776 | 384 | 91 | 475 (26.7) | 24.7–28.8 | |
55–59 | 1,108 | 254 | 80 | 334 (30.1) | 27.4–32.9 | |
≥ 60 | 1,085 | 168 | 71 | 239 (22.0) | 19.6–24.5 |