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RPR results that were discrepant with the treponemal test for diagnosis of syphilis
| Case No | Age/sex | RPR card test | Automated RPR (RPR unit) | TPPA | Clinical diagnosis |
|---|---|---|---|---|---|
| 1 | 28/F | 1+ | Negative | Negative | Atopic dermatitis, antiphospholipid syndrome |
| 2 | 50/F | 1+ | Negative | Negative | Bronchiectasis, secondary pulmonary hypertension |
| 3 | 22/M | Negative | 2.2 | Negative | Behcet's disease |
| 4 | 33/M | Negative | 1.1 | Negative | Chlamydia, Herpes penis |
RPR, rapid plasma reagin; TPPA, Treponema pallidum particle agglutination.
