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Prevalence of anal HPV16 infection and anal HSIL+
PRs were adjusted for age group and study. Error bars show 95% CIs. aPR=adjusted prevalence ratio. HPV=human papillomavirus. HSIL+=high-grade squamous intraepithelial lesions or worse. MSM=men who have sex with men. *Significant aPRs relative to the reference group. †Only includes participants with HSIL+ plus HPV16-positive swabs.
