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Comparison of Captia SelectSyph-G ELISA and TPHA syphilis tests in a high-risk population
| ELISA resulta | No. of TPHA results:
|
||
|---|---|---|---|
| Positive | Negative | Total | |
| Positive | 1,282 | 27 | 1,309 |
| Negative | 30 | 432 | 462 |
| Total | 1,312 | 459 | 1,771 |
Sensitivity, 97.7%; specificity, 94.2%; positive predictive value, 97.9%; negative predictive value, 93.5%.
