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| IGRA | TST (n) | Total | |||||
|---|---|---|---|---|---|---|---|
| TB-contact | Noncontact | ||||||
| (+) | (–) | Subtotal | (+) | (–) | Subtotal | ||
| (+) | 5 | 1 | 6 | 8 | 1 | 9 | 15 |
| (–) | 14 | 16 | 30 | 19 | 39 | 58 | 88 |
| (+/–) | 0 | 0 | 0 | 2 | 1 | 3 | 3 |
| Total | 19 | 17 | 36 | 29 | 41 | 70 | 106 |
TST, tuberculin skin test; IGRA, interferon-γ releasing assay; TB, tuberculosis.
