Table 2.

Single, double, and multiple HPV infections in different groups

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)