Clinical Study
Blood Cells and Interferon-Gamma Levels Correlation in Latent Tuberculosis Infection
Table 1
Demographic characteristics of household contacts of pulmonary tuberculosis patients included in the study (
).
| | Characteristic | (%) | Mean ± SD |
| | Age | — | 28.3 ± 16.9 | | Gender | | | | Male | 32 (36.4) | — | | Female | 56 (63.6) | — | | Self-definition | | | | White | 11 (12.5) | — | | Mulatto | 30 (34.1) | — | | Black | 44 (50.0) | — | | Refused to classify | 03 (3.4) | — | | BCG scar presence | | | | Yes | 62 (70.4) | — | | No | 26 (29.6) | — | | Index case first-degree relative | | | | Yes | 60 (68.2) | — | | No | 28 (31.8) | — | | Previous contact tracing | | | | Yes | 12 (13.6) | — | | No | 76 (86.4) | — | | Exposure time | | | | 0-1 month | — | 0.85 ± 0.34 | | 2–6 months | — | 3.65 ± 1.56 | | ≥7 months | — | 12 | | Household per home | | | | 1–3 | 39 (44.3) | — | | 4-5 | 28 (31.8) | — | | ≥6 | 21 (23.9) | — |
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BCG: Bacille Calmette-Guérin; SD: Standard deviation.
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