Table 2.: Epidemiologic Studies of HIV-Infected and HIV-Uninfected Sexually Inactive Women Supporting a Critical Role for T-Cell Immunity in Suppressing HPV Reactivation

Strickler, et al. J Natl Cancer Inst 2005; 97 [8] Theiler, et al. Obstet Gynecol 2010; 115 [6]
HIV-Positive HIV-Negative HIV-Positive HIV-Negative
n=1848 n=514 n=634 n=264
Age <26 8% 17% 58.0% 58.7%
26-29 10% 12%
30-35 28% 24%
36-45 44% 39% 37.5% 36.4%
>45 10% 7% 4.4% 4.9%
Lifetime sex partners 0-4 22% 20% not reported
5-9 18% 22%
10-49 32% 37%
50+ 27% 21%
HPV seropositive* not reported 98.3% 93.2%
New HPV detection in absence of sexual activity HPV16: 3.3/P-Y
CD4>500: 13% HPV18: 3.8/P-Y
CD4 200-500: 18% 5% HPV31: 1.1/P-Y
CD4<200: 22% HPV35: 0.6/P-Y
HPV45: 3.7/P-Y
Evidence for association with immune suppression Increasing incidence with decreasing CD4+ T-cell count HIV-infected women 1.8-8.2 times more likely to have recurrent shedding than HIV-uninfected

* Seropositive for HPV16, 18, 31, 35, or 45.