Parameter

Reference Range

Control group N = 200

Patient group N = 200

P. value

Sodium (mmol/l)

135 - 145

138.2 ± 3.3

132.5 ± 4.1

0.020

Potassium (mmol/l)

3.5 - 5.1

3.97 ± 0.51

3.30 ± 0.4

0.010

Calcium (mg/dl)

8.4 - 10.4

8.8 ± 0.6

8.51 ± 0.76

0.020

Magnesium (mg/dl)

1.7 - 2.4

1.96 ± 0.29

1.90 ± 0.36

0.080

Phosphate (mg/dl)

2.5 - 4.5

3.5 ± 0.69

3.30 ± 0.80

0.004