Table 2.
Vitamin D, calcium and phosphate levels in the different study groups
| Controls n = 814 | Latent TB n = 138 | Active TB n = 44 | Total n = 996 | P | |
|---|---|---|---|---|---|
| Vitamin D level, n (%): | 0.0001 | ||||
| - Deficient (<25 nmol/L) | 113 (13.9%) | 28 (20.3%) | 18 (40.9%) | 159 (16%) | |
| - Insufficient (25–50 noml/L) | 241 (29.6%) | 52 (37.7%) | 15 (34.1%) | 308 (30.9%) | |
| - Sufficient (>50 nmol/L) | 460 (56.5%) | 58 (42%) | 11 (25%) | 529 (53.1%) | |
| Vitamin D level (nmol/L), median (IQR) | 52.5 (31.5-67.5) | 45 (30–62.5) | 27.8 (19–50) | 35 (24–54.5) | 0.0001 |
| Calcium (mmol/L), median (IQR) | 2.38 (2.3-2.45) | 2.38 (2.3-2.42) | 2.35 (2.25-2.45) | 2.4 (2.26-2.46) | 0.709 |
| Phosphate (mmol/L), median (IQR) | 1.62 (1.49-1.71) | 1.75 (1.32-1.78) | 1.42 (1.23-1.6) | 1.5 (1.28-1.61) | 0.002 |