| Control group | Risk group | p Value | |||
| n | Median(25th-75th percentile) | n | Median(25th–75th percentile) | ||
| 25(OH)D3 (nmol/l) | 38 | 52.5 (31.8–79.0) | 49 | 20.0 (15.5–30.0) | <0.001 |
| iCa (mmol/l) | 34 | 1.29 (1.21–1.38) | 40 | 1.34 (1.28–1.43) | 0.061 |
| P (mmol/l) | 38 | 1.74 (1.58–1.91) | 48 | 1.66 (1.55–1.88) | 0.453 |
| AP (U/l) | 38 | 161 (124–213) | 47 | 177 (156–217) | 0.050 |
| PTH (pmol/l) | 35 | 0.10 (0.10–0.40) | 45 | 0.20 (0.10–0.80) | 0.143 |
AP, alkaline phosphatase; iCa, ionised calcium; 25 (OH)D3, 25-hydroxyvitamin D3; P, phosphorus; PTH, parathyroid hormone.