Variables | House-Hold contacts | Community controls** | p value |
---|---|---|---|
(n = 98) ¤ | (n = 186) | ||
TST (mean ± SD) | 5 ±6 | 2 ±3 | 0.000* |
< 5 mm | 59 (60.2%) | 139 (83.2%) | 0.000* |
5 - 9 mm | 12 (12.2%) | 13 (7.8%) | 0.04* |
10 - 14 mm | 13 (13.2%)§ | 14 (8.4%) | 0.1 |
≥ 15 mm | 14 (14.4%)§ | 01 (0.6%) | 0.000* |
IFN-γ Mean level IU/ml: | |||
Purified Protein Derivative: | |||
Mean ± SD | 0.5 ± 0.6 | 0.3 ± 0.4 | 0.4 |
< 0.35 | 57/98 (58.2%) | 130/186 (69.9%) | 0.06 |
0.35-1.0 | 28/98 (28.6%) | 44/186 (23.6%) | 0.1 |
1.1-2.0 | 13/98 (13.2%) | 12/186 (6.5%) | 0.3 |
ESAT-6 + CFP −10 ± TB7•7: | |||
Mean ± SD | 0.5 ± 0.7 | 0.2 ± 0.2 | 0.000* |
< 0.35 | 56/98 (57.1%) | 136/186(73.2%) | 0.03* |
0.35 - 1.0 | 18/98 (18.4%)§ | 41/186 (22.2%) | 0.01* |
1.1 - 2.0 | 24/98 (24.5%)§ | 09/186 (4.6%) | 0.2 |