Table 1. Results of SAT and RBT in patients (n = 208) with brucellosis proved by bacteriological culture.1 .
| SAT | N° of positive sera using the standard RBT protocol (%) | N° of RBT positive (%) at titers:2 | ||
| Titer | N° of sera | ≤4 | ≥8 | |
| ≤1∶20 | 6 | 6 (100) | 2 (0,96) | 4 (1,92) |
| ≥1∶40 | 202 | 202 (100) | 26 (12,5) | 176 (85,5) |
| ≥1∶80 | 201 | 201 (100) | 25 (12,0) | 176 (85,0) |
| ≥1∶60 | 185 | 185 (100) | 13 (6,20) | 172 (83,0) |
| ≥1∶320 | 160 | 160 (100) | 2 (0,90) | 158 (76,3) |
| ≥1∶640 | 136 | 136 (100) | 0 (0,00) | 136 (65,7) |
1
Sera were collected from patients with brucellosis proved by blood (n = 205) or abscess (n = 3) culture.
2
Titers correspond to plain serum (titer 1∶2) or serum dilutions made in phosphate buffered saline and then tested with an equal volume of RBT regent (1∶4, etc.).