Volume 26, Number 10—October 2020
Research
Sequential Acquisition of Human Papillomavirus Infection at Genital and Anal Sites, Liuzhou, China
Figure 2

Figure 2. Kaplan-Meier estimates of the cumulative probability of sequential anogenital HPV infections, by sex and by site, Liuzhou, China. A) Anal HPV infection in participants with previous genital infection, by sex; B) genital HPV infection in participants with previous anal infection, by sex; C) genital or anal HPV infection in women with previous anal or genital infection, by site; D) genital or anal HPV infection in men with previous anal or genital infection, by site; E) anal HPV infection in participants without previous genital infection, by sex; F) genital HPV infection in participants without previous anal infection, by sex; G) genital or anal HPV infection in women without previous anal or genital infection, by site; H) genital or anal HPV infection in men without previous anal or genital infection, by site. HPV, human papillomavirus.
1These authors contributed equally to this article.