TABLE 2

Sensitivity of the HISCL anti-TP assay and Lumipulse G TP-N in samples from patients at different stages of syphilis

Syphilis stage and assay typeTotal samples (no.)True positive (no.)False negative (no.)Sensitivity (% [95% CI])
Primary
    HISCL anti-TP32320100 (86.66–100)
    Lumipulse G TP-N32320100 (86.66–100)
Secondary
    HISCL anti-TP21210100 (80.76–100)
    Lumipulse G TP-N21210100 (80.76–100)
Tertiary
    HISCL anti-TP12120100 (69.87–100)
    Lumipulse G TP-N12120100 (69.87–100)
Latent
    HISCL anti-TP81810100 (94.36–100)
    Lumipulse G TP-N81810100 (94.36–100)
Unknown stages
    HISCL anti-TP1541540100 (96.97–100)
    Lumipulse G TP-N1541540100 (96.97–100)
Overall
    HISCL anti-TP3003000100 (98.42–100)
    Lumipulse G TP-N3003000100 (98.42–100)