Table 1.

Criteria for classifying as renal impairment.

Creatinine	>1.5 mg/dL or rise of >0.3 mg/dL from baseline level (if available)
Hematuria	>5 RBC/high power field
Proteinuria	>traces by dip stick method
Cast	Granular cast, RBC cast, and muddy brown cast
Edema	Periorbital edema, pitting edema of lower extremities
Anuria	No urination
Oliguria	<0.5 mL/kg/hr urination (at least for 6 hours)