Table 2 Demographic and biological characteristics of patients with intrinsic AKI (I-AKI) and prerenal AKI (PR-AKI). Results are presented as number of patients and proportions when appropriate or means (± standard deviation)
I-AKI (N = 605) | PR-AKI (N = 498) | P | |
|---|---|---|---|
Age (years) | 75.7 (14.3) | 75.7 (15.3) | 0.518 |
Gender, n male (%) | 370 (61.2) | 323 (64.9) | |
Plasma creatinine at admission (μmol/L) | 232.1 (124.8) | 209.6 (118.3) | 0.002 |
Lowest plasma creatinine during the 7 days following admission (μmol/L) | 162.4 (96.6) | 118.0 (65.2) | <0.001 |
Blood urea nitrogen at admission (mmol/L) | 19.8 (9.6) | 18.1 (9.5) | 0.003 |
Blood urea nitrogen to creatinine ratio at admission (mmol/L/mmol/L) | 91.3 (39.8) | 90.6 (39.3) | 0.758 |