From: Epidemiological study of HPV infection in 40,693 women in Putian: a population study based on screening for high-risk HPV infection
Age group (y)
Sample size
Positive no.
Prevalence (%)
95% CI
χ2 (P)
30–39
5219
429
8.2
7.5–9.0
74.03 (< 0.01)
40–49
13,370
1147
8.6
8.1–9.1
50–59
16,940
1687
10.0
9.5–10.4
60–70
5164
636
12.3
11.4–13.2
Total no.
40,693
3899
9.6
9.3–9.9