Fig. 3From: Co-infection with trichomonas vaginalis increases the risk of cervical intraepithelial neoplasia grade 2–3 among HPV16 positive female: a large population-based studyMultivariate analysis of hr-HPV infection. Age, highest level of education, number of pregnancies and number of births were set as rank variables. * MBD means miscellaneous bacteria densityBack to article page