Skip to main content
Figure 1 | BMC Infectious Diseases

Figure 1

From: A prospective study of age trends of high-risk human papillomavirus infection in rural China

Figure 1

Flowchart of inclusion and exclusion of the study participants. At baseline, 144 women were excluded because of biopsy confirmed CIN2+, with 7397 women in the baseline analysis. 288 of the 2147 baseline screen positives were lost to follow-up and 82 of the 1014 randomly selected baseline screen negatives were lost to follow-up, which added up to 2791 women in the follow-up analysis. CIN2+:cervical intraepithelial neoplasia grade 2 or above.

Back to article page