Table 4 Results of interferon-γ release assays and tuberculin skin test in adults and children BCG-vaccinated
Adults | Children | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Technique | Degree of exposure | Degree of exposure | |||||||
> 6 h daily | < 6 h daily | Total | p | > 6 h daily | < 6 h daily | Total | p | ||
TST | Positive | 27 (100) | 37 (88.1) | 64 (92.7) | 0.998 | 13 (92.9) | 10 (90.9) | 23 (92) | 0.859 |
Negative | 0 (0) | 5 (11.9) | 5 (7.3) | 1 (7.1) | 1 (9.1) | 2 (8) | |||
QFN-G-IT | Positive | 9 (33.3) | 10 (23.8) | 19 (27.5) | 0.622 | 9 (64.3) | 5 (45.5) | 14 (56) | 0.350 |
Negative | 17 (63) | 32 (76.2) | 49 (71) | 5 (35.7) | 6 (54.5) | 11 (44) | |||
Indeterminate | 1 (3.7) | 0 (0) | 1 (1.5) | 0 (0) | 0 (0) | 0 (0) | |||
T.SPOT-TB | Positive | 14 (51.8) | 14 (33.3) | 28 (40.6) | 0.175 | 9 (64.3) | 5 (45.5) | 14 (56) | 0.350 |
Negative | 13 (48.2) | 28 (66.7) | 41 (59.4) | 5 (35.7) | 6 (54.5) | 11 (44) | |||
Indeterminate | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | |||