Table 1 Biochemical and hormonal investigations

Serum calcium, mmol/L (NL, 2.1–2.6)

2.67

2.68

2.71

2.67

2.76

2.69

2.89

2.87

2.51

2.57

2.70

2.75

PTH, ng/l (NR, 15–65)

71.6

73

94.8

70.8

85.5

58.7

70.4

63.7

58.9

67.6

25-hydroxy vitamin D, nmol/L (NL, > 75)

13

46

26

49

28.2

41.7

45

Serum phosphate, mmol/L (NL, 0.9–1.5)

0.94

0.79

1.14

0.91

0.87

0.67

0.83

0.69

0.93

1.02

0.81

0.84

Serum magnesium, mmol/L (NL, 0.7-1)

0.89

0.88

0.87

0.84

0.91

0.85

0.89

0.87

0.86

0.84

0.84

0.87

Serum creatinine, umol/L (NL, 46–69)

58

56

54

46

52

52

57

24-h urine calcium, mmol/day (NL, 2.5–7.5)

1.92

2.74

2.32

2.83

3.93

6.99

3.19

3.35

Urine volume (L)

1.56

1.27

1.7

1.83

2.37

1.78

0.77

1.66

24-h urine creatinine, mmol/day (NL, 6–15)

13.6

10.2

CCCR

0.008

0.007

Spot urine calcium, mmol/L

1.23

2.16

3.14

3.99

1.55

1.66

3.93

4.15

2.02

Spot urine creatinine, mmol/L

11

6

Spot urine calcium/creatinine ratio (NL, ˂0.39)^a

0.36

0.34