Table 2 Clinical and biochemical markers at the time of presentation
MarkersMedian (range)Normal reference range
Calcium (mmol/l)1.50 (1.07–1.74)2.17–2.44
Ionised calcium (mmol/l)0.71 (0.41–1.02)1.16–1.45
Phosphorus (mmol/l)1.89 (1.3–2.3)1.2–2.1
Alkaline phosphatase (IU/l)646 (340–1057)60–330
PTH (pmol/l)34.3 (8.9–102)0.7–5.6
25-OHD (nmol/l)18.5 (0.00–43)>50
Fractional shortening (%)10 (5–18)28–45
Left ventricular end diastolic dimension z score 4.1 (3.1–7) −2 to <+2

  • 25-OHD, 25-hydroxyvitamin D; PTH, parathyroid hormone.