0–2 years | 3–4 years | 5–16 years | |
(N=70) | (N=110) | (N=343) | |
T-SPOT.TB | |||
Insufficient blood volume | 21 | 16 | 9 |
Test failed | 9 | 16 | 32 |
Indeterminate results | 1 | 0 | 7 |
Total N (%) without interpretable result | 31 (44%) | 32 (29%) | 48 (14%) |
QFT-GIT | |||
Insufficient blood volume | 26 | 23 | 14 |
Test failed | 0 | 0 | 0 |
Indeterminate results | 7 | 16 | 47 |
Total N (%) without interpretable result | 33 (47%) | 39 (35%) | 61 (18%) |