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Concordance of TST and IGRA Results in Children Evaluated as Household Contacts at Baseline Screening (Cases of Prevalent TB Excluded)
| IGRA-Positive [n (%)] | IGRA-Negative [n (%)] | IGRA-Indeterminate [n (%)] | |
|---|---|---|---|
| TST-positive (n = 95) | 64 (67.4) | 28 (29.5) | 3 (3.1) |
| TST-negative (n = 249) | 16 (6.4) | 223 (89.5) | 10 (4.01) |
Definition of abbreviations: IGRA = IFN-γ release assay; TB = tuberculosis; TST = tuberculin skin test.
