Table 3. The Overall Distribution of Multiple HPV Infections (N = 664).

HPV type	Age group (year)								Infectious individuals (n)	Frequency for all samples (%)	95% CI for all samples (%)	Frequency for positive samples (%)	95% CI for positive samples (%)
	≦25	26–30	31–35	36–40	41–45	46–50	51–55	≧56
6	17	9	9	9	5	6	2	4	61	0.21	0.16–0.27	1.66	1.24–2.07
11	9	10	7	9	3	2	2	1	43	0.15	0.11–0.20	1.17	0.82–1.52
16	32	35	21	36	28	14	4	3	173	0.61	0.52–0.70	4.70	4.02–5.38
18	12	10	7	15	13	11	2	2	72	0.25	0.19–0.31	1.96	1.51–2.40
26	1	1	1	0	0	0	0	0	3	0.01	0.00–0.02	0.08	0.00–0.17
31	9	7	7	9	12	5	0	1	50	0.18	0.13–0.22	1.36	0.98–1.73
33	12	10	13	11	12	6	0	6	70	0.25	0.19–0.30	1.90	1.46–2.34
35	5	3	4	4	6	1	0	2	25	0.09	0.05–0.12	0.68	0.41–0.94
39	30	19	12	8	14	8	2	4	97	0.34	0.27–0.41	2.64	2.12–3.15
40	5	2	5	3	2	1	0	1	19	0.07	0.04–0.10	0.52	0.28–0.75
42	1	2	2	2	4	2	2	1	16	0.06	0.03–0.08	0.43	0.22–0.65
44	9	4	5	3	2	3	2	1	29	0.10	0.06–0.14	0.79	0.50–1.07
45	10	3	3	4	5	2	0	1	28	0.10	0.06–0.13	0.76	0.48–1.04
51	16	8	6	11	7	4	1	2	55	0.19	0.14–0.24	1.49	1.10–1.89
52	45	28	31	41	20	27	7	8	207	0.73	0.63–0.83	5.62	4.88–6.37
53	6	15	14	11	6	5	1	3	61	0.21	0.16–0.27	1.66	1.24–2.07
55	5	5	3	9	0	2	1	3	28	0.10	0.06–0.13	0.76	0.48–1.04
56	22	8	15	13	12	4	1	3	78	0.27	0.21–0.33	2.12	1.65–2.58
58	15	28	17	23	21	10	5	7	126	0.44	0.37–0.52	3.42	2.84–4.01
59	21	10	7	12	4	7	5	3	69	0.24	0.19–0.30	1.87	1.44–2.31
61	11	2	6	5	4	8	3	1	40	0.14	0.10–0.18	1.09	0.75–1.42
66	8	9	6	6	7	2	0	1	39	0.14	0.09–0.18	1.06	0.73–1.39
68	17	11	12	14	11	2	2	0	69	0.24	0.19–0.30	1.87	1.44–2.31
73	0	0	0	0	0	0	0	0	0	0.00	0.00–0.00	0.00	0.00–0.00
82	9	8	4	7	7	4	0	0	39	0.14	0.09–0.18	1.06	0.73–1.39
83	1	0	1	0	1	1	0	0	4	0.01	0.00–0.03	0.11	0.00–0.22

Note: All genotypes from single and multiple infections were computed individually.