Figure 3From: Fluid balance, change in serum creatinine and urine output as markers of acute kidney injury post cardiac surgery: an observational study Fluid balance as categorized by AKIN criteria for acute kidney injury. Abbreviations: AKIN: Acute Kidney Injury Network diagnostic criteria for AKI [2] . SCr+: Meeting the criteria of Change in SCr ≥ 26.5 µmol/L; SCr-: Not meeting the Change in SCr criteria. UO+: Meeting the criteria of Urine Output ≤0.5 cc/kg/hour for greater than 6 hours; UO-: Not meeting the Urine Output criteria. Back to article page