Characteristic | Covariates associated with occurrence of acute kidney injury | Covariates associated with occurrence of maximum RIFLE class failure | ||
---|---|---|---|---|
 | Odds ratio (95% confidence interval) | P | Odds ratio (95% confidence interval) | P |
Age (per year older) | 1.02 (1.02–1.03) | < 0.001 | 1.01 (1.00–1.01) | 0.001 |
Race (reference white) | Â | 0.130 | Â | 0.001 |
   Black | 1.20 (0.96–1.50) | 0.111 | 1.50 (1.21–1.86) | < 0.001 |
   Other | 0.73 (0.44–1.23) | 0.237 | 0.78 (0.41–1.38) | 0.397 |
Chronic kidney insufficiency | 4.19 (2.48–7.10) | < 0.001 | 8.86 (6.01–13.05) | < 0.001 |
Medical admission (reference surgical) | 0.79 (0.69–0.90) | < 0.001 | 0.76 (0.66–0.87) | < 0.001 |
Reason for admission according to organ system (reference cardiovascular disease) | Â | < 0.001 | Â | < 0.001 |
   Trauma | 0.64 (0.53–0.79) | < 0.001 | 0.64 (0.52–0.80) | < 0.001 |
   Neurological disease | 0.93 (0.78–1.13) | 0.481 | 1.02 (0.85–1.2) | 0.830 |
   Pulmonary disease and infection | 1.08 (0.88–1.32) | 0.461 | 1.16 (0.96–1.40) | 0.120 |
   Gastrointestinal disease | 0.51 (0.35–0.73) | < 0.001 | 0.51 (0.32–0.66) | 0.004 |
   Malignancy | 0.36 (0.27–0.49) | < 0.001 | 0.45 (0.31–0.66) | < 0.001 |
   Other | 0.57 (0.47–0.70) | < 0.001 | 0.60 (0.48–0.74) | < 0.001 |
SOFAnonrenal (per point greater) | 1.19 (1.16–1.21) | < 0.001 | 1.08 (1.06–1.10) | < 0.001 |
In hospital before ICU admission | 1.18 (1.03–1.36) | 0.015 | 1.19 (1.04–1.36) | 0.012 |