Table 2 Blood test results among tuberculosis patients at diagnosis and controls
| Â | Tuberculosis | Controls | Univariable analyses, TB vs controls | Multivariable analyses, TB vs controls | ||
|---|---|---|---|---|---|---|
|  |  |  | β coefficient | P value | β coefficient | P value |
Total 25-hydroxyvitamin D (nmol/L): mean (95% CI) | ||||||
 All | 63.9 (60.6- 67.3) | 61.4 (57.4- 65.3) | 2.55 | 0.350 | −4.11 | 0.238 |
 Males | 69.9 (65.5-74.3) | 70.1 (64.4-75.9) |  |  |  |  |
 Females | 55.2 (50.6-59.8) | 56.2 (51.4-61.0) |  |  |  |  |
Vitamin D deficiency (25D < 50 nmol/L) | 46/167 (27.5%) | 23/92 (25.0%) |  | 0.657 |  |  |
Total 1,25-dihydroxyvitamin D (pmol/): mean (95% CI) | 229.0 (215.4-242.6) | 153.8 (138.6-169.0) | 75.20 | <0.001 | 63.5 | <0.001 |
Parathyroid hormone (pmol/L): median (IQR) | 1.8 (1.1-2.5) | 3.6 (3.0-4.7) | −0.76 | <0.001 | −0.71 | <0.001 |
Calcium: mean (95% CI) | 2.42 (2.40-2.44) | 2.34 (2.32-2.36) | 0.08 | <0.001 | 0.09 | <0.001 |
Albumin: mean (95% CI) | 35.7 (35.1-36.3) | 42.4 (41.7-43.1) | −6.73 | <0.001 | −5.64 | <0.001 |
Vitamin D binding protein (mcg/mL): median (IQR) | 128.0 (IQR 66.6-198.3) | 131.6 (66.0-178.4) | 16.30 | 0.301 | 5.06 | 0.818 |