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Agreement between and combined sensitivity of the IGRA and the TST in culture-proven cases of active TBa
| TST result | No. of patients tested by IGRA
|
Total | |
|---|---|---|---|
| Negative | Positive | ||
| Negative | 5 | 7 | 12 |
| Positive | 25 | 89 | 114 |
| Total | 30 | 96 | 126 |
Absolute agreement, 74.6%; kappa, 0.118; combined sensitivity, 96%.
