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Table 2 Single, double, and multiple HPV infections in different groups

From: Prevalence and distribution of human papillomavirus genotypes among women attending gynecology clinics in northern Henan Province of China

Group Age, y Sample size Single infection Double infections Multiple infections
Positive no % (95% CI) Positive no % (95% CI) Positive no % (95% CI)
G1 < 20 325 91 28.0 (23.1–32.9) 35 10.8 (7.4–14.2) 10 3.1 (1.2–5.0)
G2 20–29 2874 396 13.8 (12.5–15.0) 151 5.3 (4.4–6.1) 58 2.0 (1.5–2.5)
G3 30–39 4222 562 13.3 (12.3–14.3) 142 3.4 (2.8–3.9) 61 1.4 (1.1–1.8)
G4 40–49 4829 611 12.7 (11.7–13.6) 181 3.7 (3.2–4.3) 64 1.3 (1.0–1.6)
G5 50–59 2417 331 13.7 (12.3–15.1) 115 4.8 (3.9–5.6) 56 2.3 (1.7–2.9)
G6 > 60 949 143 15.1 (12.8–17.3) 43 4.5 (3.2–5.9) 31 3.3 (2.1–4.4)
Total   15,616 2134 13.7 (13.1–14.2) 667 4.3 (4.0–4.6) 280 1.8 (1.6–2.0)