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 type	Total samples (no.)	True positive (no.)	False negative (no.)	Sensitivity (% [95% CI])
Primary
HISCL anti-TP	32	32	0	100 (86.66–100)
Lumipulse G TP-N	32	32	0	100 (86.66–100)
Secondary
HISCL anti-TP	21	21	0	100 (80.76–100)
Lumipulse G TP-N	21	21	0	100 (80.76–100)
Tertiary
HISCL anti-TP	12	12	0	100 (69.87–100)
Lumipulse G TP-N	12	12	0	100 (69.87–100)
Latent
HISCL anti-TP	81	81	0	100 (94.36–100)
Lumipulse G TP-N	81	81	0	100 (94.36–100)
Unknown stages
HISCL anti-TP	154	154	0	100 (96.97–100)
Lumipulse G TP-N	154	154	0	100 (96.97–100)
Overall
HISCL anti-TP	300	300	0	100 (98.42–100)
Lumipulse G TP-N	300	300	0	100 (98.42–100)