Table 1.

The three tests detected for different groups of sera in respective experiment

Sample population	No. of sample with indicated CLIA result		No. of sample with indicated TPPA result		No. of sample with indicated TRUST result
	Positive	Negative	Positive	Negative	Positive	Negative
Primary syphilis	35	0	35	0	30	5
Secondary syphilis	40	0	40	0	40	0
Latent syphilis	20	0	20	0	10	10
Treated syphilis	40	0	40	0	23	17
BFP	0	30	0	30	30	0
Normal sera	0	80	0	80	0	80
Total	135	110	135	110	133	112