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Table 1 Characteristics of participants, by genital HPV DNA status

From: Prevalence of anogenital HPV infection, related disease and risk factors among HIV-infected men in inner-city Johannesburg, South Africa: baseline findings from a cohort study

Characteristic HPV DNA detected N = 224
n (%) or Mean (SD) or Median (IQR)
Total N = 304
n (%) or Mean (SD) or Median (IQR)
Age, mean years 38 (8) 38 (8)
Born in SA 161 (71)* 208 (68)
Single 136 (60) 180 (59)
Employed 159 (71) 214 (71)
Currently smokes 75 (33) 94 (31)
Currently drinks alcohol 122 (54) 161 (53)
Mean age at sexual debut 18 (3) 17 (3)
Ever had sex with men 10 (4) 15 (5)
> 1 sexual partner in past 3 months 53 (23) 77 (25)
Consistent condom use with recent partner 143 (63) 190 (63)
On ART 144 (63) 197 (65)
Duration on ART, median months 31 (13–55) 33 (15–58)
CD4+ count, median cells/μL (n = 288) 443 (327–556) 445 (328–567)
Undetectable PVL (<40 copies/ml) 83 (39) 107 (54)
Circumcised 43 (19) 62 (20)
Anogenital warts present 36 (16)* 36 (12)
Accepted intra-anal swabbing 160 (70) 250 (82)
HPV detected on intra-anal swab (n = 227) 84 (37) 88 (39)
Anal cytology results (n = 242)a
 NILM 94 (41) 123 (51)
 ASCUS 37 (16) 48 (20)
 LSIL 50 (22) 70 (29)
 HSIL 0 (0) 0 (0)
  1. Of 304 genital swabs sent for analysis, 21 had invalid results. *: p-value < 0.05 for comparison of those with and without genital HPV infection. PVL, plasma viral load among those on antiretroviral therapy (ART). a250 smears were sent for analysis, 8 had invalid results. NILM Negative for intraepithelial malignancy. ASCUS Atypical Squamous Cells of Undetermined Significance. LSIL Low-grade Squamous Intraepithelial Lesion. HSIL High-grade Squamous Intraepithelial Lesion