Table 3.

HPV type distribution in 2456 HPV-positive cervical cancer cases from a nationwide audit procedure, by prevalence observed. The most common HPV types are listed whether occurring in single and/or multiple infection, respectively

		% of valid	% of positive
HPV type	No. of cases (n)	% (95% CI)	% (95% CI)
16 positive	1471	51.6 (49.8–53.5)	59.9 (57.9–61.8)
18 positive (16 negative)	469	16.5 (15.1–17.9)	19.1 (17.6–20.7)
45 positive (16 and 18 negative)	180	6.3 (5.5–7.3)	7.3 (6.3–8.4)
31 positive (16, 18 and 45 negative)	69	2.4 (1.9–3.1)	2.8 (2.2–3.5)
33 positive (16, 18, 31 and 45 negative)	47	1.6 (1.2–2.2)	1.9 (1.4–2.5)
52 positive (16, 18, 31, 33 and 45 negative)	42	1.5 (1.1–2.0)	1.7 (1.2–2.3)
Other HR (16, 18 and 45 negative)	106	3.7 (3.1–4.5)	4.3 (3.5–5.2)
LR (single infections only)	72	2.5 (2.0–3.2)	2.9 (2.3–3.7)
Total	2456	86.2 (84.9–87.4)	100%