Table 1.

Biochemical profile of the participants.

	Median (IQ Range)	Range
Age, years	86.5 (80.3–90.3)	63.0–102.7
eGFR, mL/min/1.73 m2	70 (47–84)	11.0–90+
Ionized Ca, mmol/L	1.19 (1.15–1.23)	1.03–1.37
25(OH)D, nmol/L	52.7 (30.4–73.4)	10–225
1,25(OH)2D, pmol/L	93.8 (67.1–129.8)	18.4–229
PTH, pmol/L	4.9 (3.28–9.43)	1.1–32.7
Osteocalcin, nmol/L	2.41 (1.21–3.24)	0.33–21.8
BS-ALP, µg/L	13.3 (9.78–17.23)	3.45–36.30

PTH: parathyroid hormone.