- Serum creatinine < 1.5 mg/dl or 24-hour creatinine clearance ≥ 50 ml/min, serum SGOT and bilirubin < 1.5 times upper limit of normal; total serum calcium (corrected for serum albumin) or ionized calcium ≥ LLN; serum potassium ≥ LLN; serum sodium ≥ LLN; serum albumin ≥ LLN or 3g/dl;