TABLE 2.
Comparison of MHA-TP and recWB reactivities in sera obtained from patients with different stages of syphilis
| Syphilis stage of specimen source | No. (%) of specimens showing the following MHA-TP and recWB results, respectively: 
 | 
% Agreement | |||
|---|---|---|---|---|---|
| + and + | − and − | + and − | − and + | ||
| Primarya (n = 10) | 2 (20) | 6 (60) | 1 (10) | 1 (10) | 80 | 
| Primaryb (n = 64) | 49 (76.6) | 9 (14.1) | 0 (0) | 6 (9.4) | 90.6 | 
| Secondary (n = 48) | 46 (95.8) | 1 (2.1) | 0 (0) | 1 (2.1) | 97.9 | 
| Latent (n = 74) | 68 (91.9) | 5 (6.7) | 1 (1.4) | 0 (0) | 98.6 | 
| Late (n = 4) | 4 (100) | 0 (0) | 0 (0) | 0 (0) | 100 | 
Duration of genital ulcer was less than 3 weeks.
Duration of genital ulcer was more than 3 weeks.