| Age group | 10 - 20 | 21 - 30 | 31 - 40 | 41 - 50 | ≥51 |
| TST (mean ± SD): |
|
|
|
|
|
| Day 0 | 3.1 ± 4.3 | 3.6 ± 4.9 | 4.5 ± 5.8 | 4.6 ± 7.4 | 2.4 ± 1.2 |
| Day 614 | 3.7 ± 6.0 | 4.8 ± 5.6 | 3.5 ± 4.3 | 3.5 ± 4.3 | 5.7 ± 7.0* |
| IFN-γ IU/ml (mean ± SD): |
|
|
|
|
|
| Day 0 | 0.005 ± 0.02 | 0.02 ± 0.03 | 0.02 ± 0.03 | 0.023 ± 0.130 | 0.09 ± 0.05 |
| Day 614 | 0.004 ± 0.03 | 0.11 ± 0.015 | 0.02 ± 0.124 | 0.020 ± 0.112 | 0.21 ± 0.25* |