TABLE 2.
End of winter (March) and end of summer (October) values for PTH, adjusted serum calcium, VDBP, albumin and other vitamin D metabolites.
| Variables | March (n = 14) | October (n = 14) | P-value | ||
|---|---|---|---|---|---|
|
| |||||
| Median | IQR | Median | IQR | ||
| PTH (pg/ml) | 33.2 | 25.1–47.0 | 21.7 | 17.1–24.5 | .004 |
| Adjusted Serum Calcium (mmol/l) | 2.20 | 2.13–2.26 | 2.16 | 2.10–2.19 | .345 |
| Total 1, 25(OH)2D (pmol/l) | 15.6 | 12.9–32.8 | 25.1 | 15.7–36.5 | .140 |
| Calculated free 25(OH)D (pmol/l) | 13.2 | 9.0–14.9 | 25.8 | 15.1–33.1 | .005 |
| Calculated free 1, 25(OH)2D (fmol) | 212 | 108–278 | 389 | 209–594 | .034 |
| VDBP (μg/ml) | 338 | 278–407 | 204 | 179–232 | .005 |
| Albumin (g/l) | 52 | 50–54 | 51 | 49–53 | .555 |