Characteristics* of the 151 homosexual male participants
| ASCUS, atypical squamous cells of undetermined significance; HGSIL, high grade squamous intraepithelial lesion; LGSIL, low grade squamous intraepithelial lesion. | |
| *Data are mean (SD) (range) or proportions. | |
| †For 95 HIV positive participants. | |
| ‡Available for 143 participants. | |
| §Available for 134 participants. | |
| Age (years) | 45 (11) (19–76) |
| HIV positive | 95 (64%) |
| Lowest CD4 count† (cells ×10/6) | 249 (186) (0–860) |
| Last CD4 count† (cells ×10/6) | 580 (267) (120–1462) |
| Last plasma HIV-RNA load (copies/ml) | 13 049 (30 840) (50–122 000) |
| Previous medical treatment of anus/canal | 61 (43%) |
| History of anal or genital warts‡ | 72 (50%) |
| Current anal or genital warts§ | 24 (18%) |
| Last bowel movement (hours) | 6 (7) (0–48) |
| Anal cytology by worst case smear | |
| Inadequate samples | 8 (5%) |
| Negative | 49 (32%) |
| ASCUS | 24 (16%) |
| LGSIL (HPV, AINI) | 41 (27%) |
| HGSIL (AINII, AINIII) | 29 (19%) |