Clinical characteristics and biochemical and bone densitometry findings in the 195 children and adolescents. P-values refer to the difference between girls and boys.

All values are median; range in parentheses. LS =  lumbar spine, WB =  whole body, BMI =  body mass index.

Reference ranges, PTH, 8–73.

Reference ranges, P-Ca, 2.05–2.7 (6–10 age), 2.15–2.7 (11–16 age), 2.25–2.65 (17 age),

2.15–2.51 (since 18 age).

Reference ranges, P-Pi, 1.2–1.8 (2–12 age), 1.1–1.8 (13–16 age), 0.8–1.4 (17 age), 0.71–1.53 (male, 18–49 age), 10.76–1.41 (female, since 18 age).

Reference ranges, P-ALP (Z-score), −2.0–+2.0^e Reference ranges, U-Ca/U-Crea, <0.70.