Characteristics of tuberculosis (TB)-exposed children at baseline evaluation stratified by diagnosis of either active TB disease or other disease
| All subjects | Active TB | Other disease | p-value# | |
| Subjects | 150 | 35 | 115 | |
| Age years | 6 (3–9) | 4 (2–7) | 7 (4–9) | 0.004 |
| <5 years | 55 (37) | 21 (60) | 34 (30) | 0.001 |
| Sex male | 76 (51) | 15 (43) | 61 (53) | 0.291 |
| Clinical features | ||||
| Symptoms | ||||
| Cough lasting ≥2 weeks | 105 (70) | 27 (77) | 78 (68) | 0.292 |
| Weight loss | 80 (53) | 21 (60) | 59 (51) | 0.367 |
| Night sweats | 51 (34) | 16 (46) | 35 (30) | 0.095 |
| Fever | 63 (42) | 19 (54) | 44 (38) | 0.093 |
| Fatigue/malaise | 32 (21) | 11 (31) | 21 (18) | 0.096 |
| Signs | ||||
| Lymphadenopathy | 28 (19) | 12 (34) | 16 (14) | 0.007 |
| Abnormal chest radiography | 107 (71) | 28 (80) | 79 (69) | 0.195 |
| BCG vaccination | 99/141 (70) | 21/33 (64) | 78/108 (72) | 0.345 |
| BMI-for-age z-score <−2 sd | 44 (29) | 13 (37) | 31 (27) | 0.259 |
| Height-for-age z-score <−2 sd | 20 (13) | 4 (11) | 16 (14) | 0.705 |
| Tests of TB infection | ||||
| TST ≥10 mm | 82 (55) | 17 (49) | 65 (57) | 0.408 |
| IFN-γ value ≥155.0 pg·mL−1 | 103 (69) | 25 (71) | 78 (69) | 0.687 |
Data are presented as n, median (interquartile range), n (%) or n/N (%), unless otherwise stated. BCG: bacille Calmette–Guerin; BMI: body mass index; TST: tuberculin skin test; IFN: interferon. #: active TB disease versus other disease.