Median (range) percentage of total lymphocytes, CD4+, CD8+, γδ T cells and δ1 and δ2 subsets in TB patients according to response to PPD skin test
| Cell population | PPD+ TB patients (n=34) | PPD– TB patients (n=13) | p value* |
|---|---|---|---|
| *Mann-Whitney U test. | |||
| Total lymphocytes | 27.1 (4.8–65.0) | 17.8 (8.9–39.9) | 0.02 |
| CD4+ | 37.9 (5.8–56.9) | 33.5 (1.2–56.5) | 0.16 |
| CD8+ | 29.1 (15.0–72.3) | 25.8 (6.1–72.0) | 0.78 |
| Total γδ T cells | 3.4 (1.0–12.3) | 4.3 (1.2–11.9) | 0.25 |
| Vδ1 | 1.4 (0.1–11.3) | 1.2 (0.4–6.3) | 0.90 |
| Vδ2 | 1.3 (0.4–11.2) | 1.8 (0.3–11.8) | 0.69 |