Table 3.

Summary of the validity and reliability of SD BIOLINE HIV / syphilis Duo kit

	Sensitivity (95% CI)	Specificity (95% CI)	PPV (95% CI)	NPV (95% CI)
Syphilis (%)	100.0 (79.1 - 100.0)	100.0 (97.7 - 100.0)	100.0 (79.1 - 100.0)	100.0 (97.7 - 100.0)
HIV* (%)	100.0 (75.9 - 100.0)	99.5 (96.9 - 99.9)	94.1 (69.2 - 99.7)	100.0 (97.7 - 100.0)

TPHA – Treponema pallidum hemagglutination assay; HIV algorithm - Determine, Statpak and UniGold tests run serially; Duo kit – SD BIOLINE HIV/syphilis duo kit.

*HIV-syphilis results were obtained from TPHA and HIV algorithm results.