TABLE 3.
Agreement between TB1 and TB2 results
| TB2 result | No. of patients with TB1 result |
|||||
|---|---|---|---|---|---|---|
| Negative (<0.2 IU/ml) | Borderline negative (0.2–0.34 IU/ml) | Borderline positive (0.35–0.99 IU/ml) | Positive (≥1.00 IU/ml) | Indeterminate | Total | |
| Negative (<0.2 IU/ml) | 48,527 | 439 | 145 | 28 | 75 | 49,214 |
| Borderline negative (0.2–0.34 IU/ml) | 549 | 444 | 211 | 4 | 4 | 1,212 |
| Borderline positive (0.35–0.99 IU/ml) | 188 | 241 | 1,205 | 190 | 5 | 1,829 |
| Positive (≥1.00 IU/ml) | 43 | 12 | 203 | 5,143 | 4 | 5,405 |
| Indeterminate | 35 | 2 | 2 | 6 | 834 | 879 |
| Total | 49,342 | 1,138 | 1,766 | 5,371 | 922 | 58,539 |