Table 2 Clinical and demographic characteristics of the study cohort comparing patients with no AKI versus transient AKI versus intrinsic AKI
| Â | No AKI (n = 28) | Transient AKI (n = 57) | Intrinsic AKI (n = 22) | P value |
|---|---|---|---|---|
Gender male (%) | 51.7 | 54.4 | 59.1 | 0.93 |
Age (years, mean/SD) | 55.4 (17.3) | 62.6 (13.3) | 63.1 (14.9) | 0.08 |
CKD on admission (MDRD <60 ml/min/1.73 m2) (%) | 10.7 | 8.8 | 9.1 | 0.96 |
APACHE II score on the first day of admission | 21 (10) | 22 (8) | 24.5 (9) | 0.08 |
Positive fluid balance first 24 hours (mean/SD) | 2.2 (1.8) | 3.3 (1.9) | 5.4 (2.7) | <0.001 |
Use of diuretics on the first day of admission (%) | 7.1 | 19.3 | 27.3 | 0.16 |
RRT need during ICU stay (%) | 0 | 1.8 | 59.1 | <0.001 |
Vasopressor use (%) | 32.1 | 61.4 | 86.4 | <0.001 |
Total dose of noradrenaline first 24 hours (μg/kg/min) | 0.13 (0.22) | 0.12 (0.19) | 0.16 (0.28) | 0.65 |
Maximum dose of noradrenaline during first 24 hours (μg/kg/min) | 0.28 (0.34) | 0.32 (0.47) | 0.49 (0.68) | 0.66 |
Need for ventilation during ICU stay (%) | 39.3 | 50.9 | 86.4 | 0.003 |
LOS (days) | 5 (6) | 5 (10) | 38 (32) | 0.014 |
ICU mortality (%) | 21.4 | 15.8 | 54.2 | 0.002 |
Mortality at 90 days (%) | 28.6 | 24.6 | 59.1 | 0.012 |