Table 2 Case 2 investigations following Vitamin D replacement

Corrected Calcium (mmol/L)

2.68

2.1–2.6

Phosphate (mmol/L)

1.03

0.74–1.5

Sodium (mmol/L)

140

133–146

Potassium (mmol/L)

4.5

3.0–5.0

Creatinine (umol/L)

72

49.0 − 0.90.0

Estimated glomerular filtration rate (mL/min/1.73 m²)

74

Parathyroid hormone (pg/ml)

40.7

15.0–68.3

Vitamin D total (nmol/L)

67

> 50.0

24 h urine calcium (mmol/24 hr)

10

2.5–7.5