Table 2 Concordance rate of tuberculin skin test and QuantiFERON ® -TB Gold In-Tube at inclusion
Tuberculin skin test, n (%) | Total, n | QuantiFERON®-TB Gold In-Tube, n (%) | Total, n | Kappa (95% CI) | ||||
|---|---|---|---|---|---|---|---|---|
Positive | Negative | Positive | Negative | Indeterminate* | ||||
Total | 74 (45) | 89 (55) | 163 | 63 (42) | 77 (51) | 11 (7) | 151 | 0.76 (0.46-1.06) |
Active TB | 6 (55) | 5 (45) | 11 | 7 (78) | 1 (11) | 1 (11) | 9 | 0.39 (−0.19-0.97) |
Chest-Xray in asymptomatic children | ||||||||
TB sequelae | 34 (56) | 27 (44) | 61 | 30 (52) | 24 (41) | 4 (7) | 58 | 0.73 (0.54-0.91) |
No features of TB | 32 (37) | 55 (63) | 87 | 25 (31) | 51 (62) | 6 (7) | 82 | 0.77 (0.62-0.92) |
BCG vaccination status | ||||||||
BCG scar present | 65 (46) | 75 (54) | 140 | 55 (42) | 67 (51) | 9 (7) | 131 | 0.74 (0.62-0.86) |
BCG scar absent | 9 (39) | 14 (61) | 23 | 8 (40) | 10 (50) | 2 (10) | 20 | 0.89 (0.68-1.09) |
Age | ||||||||
0 - 4 years | 4 (9) | 41 (91) | 45 | 2 (5) | 32 (82) | 5 (13) | 39 | 0.79 (0.38-1.20) |
5 - 15 years | 70 (59) | 48 (41) | 118 | 61 (55) | 45 (40) | 6 (5) | 112 | 0.69 (0.55-0.83) |