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

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