Table 1: Preoperative laboratory investigation.

Parameter

Value

Reference range

Blood chemistry

Sodium

137.7 mmol/L

136-146 mmol/L

Potassium

3.61 mmol/L

3.5-5.5 mmol/L

Chloride

107.5 mmol/L

101-109 mmol/L

Bicarbonate

27.19 mmol/L

21-31 mmol/L

Uric acid

5.41 mg/dL

3.5-7.2 mg/dL

Calcium

9.25 mg/dL

8.8-10.6 mg/dL

Phosphorus

3.14 mg/dL

2.5-4.5 mg/dL

Magnesium

1.76 mg/dL

1.8-2.6 mg/dL