Table 2. Serologic testing for syphilis and HIV status of patients with ocular syphilis.
HIV, human immunodeficiency virus; ECLIA, electro-chemiluminescence immunoassays for syphilis; TP-PA, Treponema pallidum particle agglutination test; FTA-ABS, fluorescent treponemal antibody absorption test; RPR, rapid plasma reagin test; NR, non-reactive; R, reactive; NT, not tested
| Case | Syphilis ECLIA Titre | Syphilis TP-PA | FTA-ABS | Syphilis RPR | HIV status |
| 1 | 160 | NT | NT | 1/16 | Negative |
| 2 | 65 | Positive | NT | NR | Negative |
| 3 | NR | NT | R | NR | Negative |
| 4 | 283 | NT | NT | 1/4 | Negative |
| 5 | 86 | NT | NT | 1/4 | Negative |
| 6 | NT | NT | R | 1/2 | Negative |
| 7 | 66 | NT | NT | 1/4 | Negative |
| 8 | 103 | NT | NT | 1/8 | Negative |
| 9 | NT | Positive | NT | 1/2 | Negative |
| 10 | 68 | Positive | NT | 1/2 | Negative |