Table 1.

Descriptive statistics of patient characteristics

ParameterAKINo AKIP
n2634
Age, yr4.3 ± 4.54.0 ± 4.60.81a
Male, %35650.04b
White, %81910.28c
Prior surgery, %38351.0b
Bypass time, min188.4 ± 62.691.4 ± 47.8<0.0001a
Creatinine change, %171.3 ± 133.911.6 ± 12.2<0.0001a
Duration of AKI, d4.8 ± 4.5
Hospital stay, d13.8 ± 11.64.8 ± 2.90.0006a
Dialysis, %800.18c
Death, %400.43c
  • Means ± standard deviation (SD) are reported for continuous measures, proportions are reported for categorical variables.

  • a Welch modified two-sample t test.

  • b χ2 test with Yates correction.

  • c Fisher exact test.