Table 1.

Descriptive statistics of XLH patients.

		XLH patients (n = 8)	Reference ranges
Basic clinical parameters	Age (yr)	12.9 ± 5.8 [13.4]
	Sex (f/m)	7/1
	Body height (cm)	135.0 ± 23.3 [145.4]
	Body height SDS	−2.2 ± 1.1 [−2.0]
	BMI SDS	0.58 ± 1.06 [0.99]
	Body ratio (sitting height/leg length) SD	1.7 ± 1.3 [1.65]
Laboratory parameters	Serum Ca (mmol/L)	2.3 ± 0.1 [2.3]	2–12 y: 2.2–2.7; 12–18 y: 2.1–2.55
	Serum P (mmol/L)	0.88 ± 0.11 [0.9]	1–12 y: 1.0–2.3; > 12 y: 0.81–1.45
	PTH (pg/mL)	51.48 ± 20.08 [48.2]	15–65 pg/ml
	25D (nmol/L)	50.74 ± 22.60 [51.1]	> 50 nmol/L
	1,25D (pg/mL)	44.88 ± 18.19 [45]	19.9–79.3 pg/ml
	ALP (U/L)	309.13 ± 174.40 [360]	Age-specific according to (39)
Urinary parameters	Ca/Crea ratio	0.20 ± 0.28 [0.115]	<0.70 mmol/mmol
	TmP/GFR (mmol/L)	0.73 ± 0.08 [0.69]	1.15–2.44
Treatment	Phosphat (mg/kg KG/d)	40.25 ± 15.16 [40.06]
	Calcitriol (ng/kg KG/d)	19.47 ± 12.62 [21.13]
	Treatment duration (y)	11.63 ± 5.3

Values are expressed as mean ± SD [median].