Table 1. Patients Characteristics.
| Characteristics | No AKI (n = 39) | AKI (n = 12) | p value |
| Age, yrs | 3±0.5 | 1.5±1.0 | 0.435 |
| Male | 29 (57) | 8 (16) | 0.715 |
| Prior surgery | 33 (65) | 8 (16) | 0.218 |
| Bypass time, min | 78±9 | 107±15 | 0.130 |
| Baseline SCr, mg/dl | 0.5±0.1 | 0.4±0.1 | 0.107 |
| Baseline eCCL, ml/min/1.73 dm2 | 123±7 | 141±14 | 0.232 |
| Baseline urine [TIMP-2]•[IGFBP7], ((ng/ml)2/1000) | 1.0±0.1 | 0.9±0.3 | 0.818 |
| Baseline urine NGAL, ng/ml | 10±5 | 10±4 | 0.949 |
| Baseline urine KIM-1, pg/ml | 146±67 | 145±68 | 0.991 |
| Duration of preoperative fasting, hours | 5.6±0.1 | 5.5±0.3 | 0.599 |
| Hospital stay, days | 15±1 | 20±3 | 0.119 |
| ICU stay, day | 3±0.4 | 4±1.7 | 0.332 |
| Ventilator, hours | 9.5±6 | 12±9 | 0.332 |
| Death | 0 (0) | 0 (0) | 0.584 |
| RACHS1 score | 0.391 | ||
| 1 | 2 | 0 | |
| 2 | 12 | 6 | |
| 3 | 25 | 6 | |
| pRIFLE | |||
| R | 0 | 10 | |
| I | 0 | 2 | |
| F | 0 | 0 | |
| Dialysis | 0 (0) | 0 (0) | 0.584 |
Mean ±SE reported for continuous variables, p-values from Mann-Whitney-U test. Frequency (proportion) reported for categorical variables, with p-values from χ2 test or Fisher's exact test. pRIFLE reported for AKI patients only.