Table 3.

LOS and costs associated with selected changes in SCra

CriterionMean Unadjusted Increase in Total Cost ($)Mean Adjusted (Marginal) Increase in Total Cost ($)
↑ SCr ≥ 0.3 mg/dl$8,902$4,886
↑ SCr ≥ 0.5 mg/dl$12,656$7,499
↑ SCr ≥ 1.0 mg/dl$21,475$13,200
↑ SCr ≥ 2.0 mg/dl$33,161$22,023
↑ SCr by 25%$7,469$3,721
↑ SCr by 50%$10,125$5,510
↑ SCr by 100%$15,192$8,999
↑ SCr by 50% to a minimum peak of 2.0 mg/dl$19,517$11,719
↑ SCr ≥ 0.5 mg/dl with baseline SCr < 2.0 mg/dl or ↑ SCr ≥ 1.0 mg/dl with baseline SCr ≥ 2.0 and < 5.0 mg/dl$13,451$7,982
  • a n = 2892, 1236, 351, 105, 4060, 1967, 714, 352, and 1160 for respective AKI criteria from denominator sample n = 9205. Results are relative to those without the change indicated. Multivariable analyses were adjusted for age, gender, DRG weight, and ICD-9-CM categories of cardiovascular, respiratory, malignant, and infectious diseases.