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Degree of Concordance among Three Diagnostic Tests for Latent Tuberculosis Infection Concordance between TST and QFT-3G
| QFT-3G positive (n = 9) |
QFT-3G negative |
QFT-3G indeterminate | |
|---|---|---|---|
|
Positive TST (n = 7) (> 5 mm induration) |
2 | 5 | 0 |
| Negative TST | 7 | 259 | 5 |
| TST not read | 0 | 58 | 0 |
κ = 0.23, 95% CI (-0.05, 0.51).
