Patients with treatment failure
| No | Age (years) | Sex | CD4 (/μL) | HIV-RNA (copies/mL) | History | Stage | RPR (RU) | TPLA (TU) | Treatment duration (weeks) | Time to twofold decrease in RPR titre (months) | Time to fourfold decrease in RPR titre (months) | Second treatment |
| 1 | 36 | Male | 530 | <20 | Yes | 2 | 79.8 | 6814 | 8 | 4 | 29 | No |
| 2 | 47 | Male | 357 | <20 | No | 2 | 126.5 | 11 435 | 8 | 9 | – | No |
| 3 | 50 | Male | 633 | Undetectable | Yes | Early latent | 56.7 | 4033 | 4 | 8 | 32 | No |
| 4 | 31 | Male | 270 | 10 000 | Yes | 2 | 146 | 12 450 | 6 | – | – | Yes |
| 5 | 53 | Male | 452 | Undetectable | No | Late latent | 506 | 72 298 | 8 | 6 | 55 | No |
| 6 | 52 | Male | 495 | Undetectable | Yes | Early latent | 205.6 | 3249 | 8 | 11 | 25 | No |
| 7 | 49 | Male | 500 | <20 | Yes | Early latent | 72.6 | 9416 | 4 | 17 | 48 | No |
RPR, rapid plasma reagin; TPLA, Treponema pallidum latex-agglutination.