Figure 3. Receiver-Operating Characteristic Curves for Moderate to Severe AKI and AKI Requiring Dialysis in the Derivation and Validation Cohorts.

The models include preoperative serum creatinine, perioperative change in serum creatinine, and postoperative serum albumin, bicarbonate, urea, potassium, sodium, time from end of the operation to panel blood draw, and 2 interaction terms.