11. Serum creatinine </= 1.5 mg/dL or creatinine clearance greater or equal than 40 cc/min as defined by the Cockcroft-Gault Equation*. Males(mL/min):(140-age)*IBW(kg) / 72*(serum creatinine(mg/dl)). Females(mL/min): 0.85*(140-age)*IBW(kg) / 72*(serum creatinine(mg/dl)).