Anti-HIV seroconversion rates per 100 person years among 231 initially anti-HIV negative patients, returning for follow up testing, according to the main demographic and behavioural characteristics
| No of seroconversion/years | Rate per 100 person years (95% CI) | |
|---|---|---|
| Transsexuals | 15/724 | 2.1 (1.2 to 3.5) |
| Columbian transsexuals | 10/632 | 1.6 (0.8 to 3.0) |
| Brazilian transsexuals | 4/62 | 6.5 (2.1 to 16.5) |
| Other transsexuals | 1/30 | 3.3 (0.2 to 19.1) |
| Current prostitution | 15/673 | 2.1 (1.2 to 3.5) |
| >200 sexual partners reported | 13/564 | 2.2 (1.2 to 3.8) |
| Anti-HIV positive partner reported | 3/9 | 25.0 (6.7 to 57.2) |
| Non-regular condom use reported | 10/76 | 8.4 (4.3 to 15.3) |
| Injecting drug use reported | 2/27 | 7.4 (1.3 to 25.8) |
| Syringe sharing reported | 1/9 | 11.1 (0.6 to 49.3) |