Table 2: Renal function tests of the patient.

Renal function testPreoperativeDay 1 postoperativeDay 2 postoperative

Sodium (mmol/L)140141140
Potassium (mmol/L)4.14.43.9
Creatinine (umol/L)879985
Urea (mmol/L)7.96.65.4
806982

: estimated glomerular filtration rate, calculated by Cockcroft and Gault modified equation.