Fig. 2From: Real-world effectiveness of primary screening with high-risk human papillomavirus testing in the cervical cancer screening programme in China: a nationwide, population-based studyaORs of HPV testing versus cytology alone by income classifications. Note: aOR, adjusted odds ratio; HPV, human papillomavirus; CIN, cervical intraepithelial neoplasia; ICC, invasive cervical cancer; PPV, positive predictive value. Error bars indicated 95% CIs. aOR was calculated by using multivariate logistic regression adjusted for age and ever screening, and the values were conducted by the log transformation on y axisBack to article page