Table 4. Test positive results of C-Tb versus TST in children <5 years.
| Group | Age (years) |
N | C-Tb pos. (%) | TST pos. (%) | p-value* |
|---|---|---|---|---|---|
| Asymptomatic contacts | <5 | 87 | 32.2 (23.3–42.6) |
32.2 (23.3–42.6) |
0.7518 |
| 0–1 | 30 | 23.3 (11.5–41.2) |
23.3 (11.5–41.2) |
0.6171 | |
| 2–4 | 57 | 36.8 (25.5–49.9) |
36.8 (25.5–49.9) |
0.6831 | |
|
Symptomatic active† and non-TB |
<5 | 148 | 14.2 (9.4–20.8) |
17.6 (12.2–24.6) |
0.3320 |
| 0–1 | 69 | 10.1 (4.7–19.8) |
7.3 (2.8–16.2) |
0.7237 | |
| 2–4 | 79 | 17.7 (10.7–27.7) |
26.6 (18.0–37.3) |
0.0455 |
Data are presented as % (95% CI). Cut-point for TST was 15 mm.
*McNemar’s test.
†Active TB was diagnosed in two, one in each age group 0–1 and 2–4 years.