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Table 2 Vitamin D, calcium and phosphate levels in the different study groups

From: Vitamin D and tuberculosis: a multicenter study in children

  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