Table 1 Patient characteristics

Age (years)

34 (28–53)

48 (24–64

Gender (M/F)

0/5

10/2

Serum phosphate (mmol/l)

0.62 (0.33–0.65)

0.59 (0.36–0.77)

0.80–1.40

TmP/GFR (mmol/l)

0.58 (0.30–0.68)

0.50 (0.38–0.55)

0.80–1.40

FePi (%)

11 (4–13)

18 (5–35)

< 5

Serum creatinine (μmol/l)

74 (62–77)

87 (53–142)

60–110

eGFR (ml/min/1.73m²)^a

95 (80–118)

95 (45–122)

> 90

Serum calcium (mmol/l)

2.27 (2.20–2.33)

2.39 (2.27–2.59)

2.20–2.65

serum potassium (mmol/l)

3.9 (3.7–4.4)

3.9 (3.5–4.5)

3.5–4.7

Serum magnesium (mmol/l)

0.80 (0.79–0.91)

0.82 (0.78–0.95)

0.70–1.10

PTH (pmol/l)

5.3 (4.7–6.6)

5.2 (3.2–8.7)

1.0–6.5

25OHD(nmol/l)

106 (57–148)

72 (40–135)

> 50

1,25OHD₃ (pmol/l)

169 (129–246)

140 (78–322)

50–150

cFGF23 (RU/ml)

66 (48–124)

89 (53–202)

< 125

24 h urinary calcium excretion (mmol)

3 (2.2–4.8)

5.5 (0.6–11.0)

< 5.0