Table 5 Means of scale variables and their association with QFT result in TB patients
Number of observations | QFT positive | QFT negative | 95% CI of difference | t-test | p-value | |
|---|---|---|---|---|---|---|
Age (years) | 65 | 42 | 44 | -12.4–7.9 | -0.45 | 0.657 |
TB incidence of native country (new cases/100 000 pop.) | 65 | 133 | 87 | -17.7–110.0 | 1.45 | 0.157 |
Body Mass Index (BMI) | 58 | 22.7 | 20.7 | 0.1–4.0 | 2.08 | 0.043* |
Hemoglobin (Hb; g/L) | 59 | 125 | 121 | -0.7–14.3 | 1.01 | 0.315 |
ESR (mm) | 41 | 45 | 56 | -31.5–9.2 | -1.12 | 0.272 |
C-reactive protein (CRP; mg/L) | 59 | 42 | 79 | -76.9–2.4 | -1.91 | 0.065 |
Total leukocyte count (cells × 109/L) | 60 | 5.9 | 8.8 | -4.3–-1.4 | -4.02 | <0.001* |
TST (mm) | 40 | 23 | 15 | 1.2–15.4 | 2.40 | 0.025* |