Table 3. Prevalence ORs and 95% CIs of HPV-16, -18, -31, and -45 seroreactivity vs DNA-type positivity of the same type.

	HPV type by serology
HPV type	16	18	31	45
by DNA	OR (95% CI)	OR (95% CI)	OR (95% CI)	OR (95% CI)
16	4.5 (3.6–5.6)	1.9 (1.5–2.5)	2.0 (1.6–2.6)	1.0 (0.5–2.0)
18	1.6 (1.0–2.4)	2.7 (1.8–3.9)	1.9 (1.3–2.8)	2.5 (1.0–6.4)
31	2.6 (1.8–3.8)	2.2 (1.5–3.2)	5.1 (3.6–7.3)	1.8 (0.8–4.0)
45	2.1 (1.3–3.6)	1.7 (1.0–3.0)	2.4 (1.5–4.0)	3.0 (1.2–7.2)