Table 2 The association between Tuberculin skin test or QuantiFERON results and latent tuberculosis
QuantiFERON (n = 458) | QuantiFERON (n = 138) | TST ≥ 10 mm (n = 138) | ||||
|---|---|---|---|---|---|---|
Positive | Negative/indeterminate | Positive | Negative/indeterminate | Positive | Negative | |
Number (percent, %) | 101 (22.1) | 357 (77.9) | 36 (26.1) | 102 (73.9) | 18 (13.0) | 120 (87.0) |
Abnormal chest radiography | 10 (9.9) | 7 (2.0)** | 4 (11.1) | 3 (2.9) | 0 (0.0) | 7 (5.8) |
History of previous TB | 10 (9.9) | 11 (3.1)* | 3 (8.3) | 3 (2.9) | 2 (11.1) | 4 (2.9) |
Clinical latent TB | 6 (5.9) | 6 (1.7)* | 3 (8.3) | 3 (2.9) | 0 (0.0) | 6 (5.0) |