Comparison of RPR and ELISA with TPHA for the Diagnosis of Syphilis: Implication for Updating Syphilis Point-of-Care Tests in Ethiopia

Table 2

Serology results of the ECOTEST-RPR and Randox-TPHA tests at the University of Gondar Hospital, 2015–2016.

ECOTEST-RPR	Randox-TPHA
	Reactive	Nonreactive	Total
Reactive	61	19	80
Nonreactive	0	80	80
Total	61	99	160

Sensitivity of ECOTEST-RPR (61 of 61 samples), 100%; specificity of ECOTEST-RPR (80 of 99 samples), 80.8%; agreement (, of 160 samples), 88%; positive predictive value (61/80) 76.2%; and negative predictive value (80/80) 100%.