Table 2.
Patient characteristics and clinical outcomes
| No AKI (n = 97) | AKI (n = 99) | P | |
|---|---|---|---|
| Age (yr) | 3.2 ± 0.4 | 4.8 ± 0.5 | NS |
| Males (%) | 55 | 50 | NS |
| Whites (%) | 86 | 88 | NS |
| Prior surgery (%) | 28 | 50 | <0.01 |
| RACHS-1 score | 1.6 ± 0.5 | 2.9 ± 0.6 | <0.001 |
| Bypass time (min) | 86 ± 3.5 | 138 ± 6 | <0.0001 |
| Urine output (ml/kg per h) | 1.6 ± 0.6 | 1.7 ± 0.9 | NS |
| Serum creatinine 0 h (mg/dl) | 0.39 ± 0.11 | 0.38 ± 0.11 | NS |
| Serum creatinine 24 h (mg/dl) | 0.39 ± 0.10 | 0.46 ± 0.18 | NS |
| Serum creatinine 48 h (mg/dl) | 0.41 ± 0.18 | 0.66 ± 0.22 | <0.01 |
| Serum creatinine 72 h (mg/dl) | 0.36 ± 0.10 | 0.67 ± 0.25 | <0.001 |
| Serum creatinine 96 h (mg/dl) | 0.35 ± 0.10 | 0.70 ± 0.34 | <0.001 |
| Delta creatinine (%) | 10.6 ± 3.2 | 102 ± 19 | <0.0001 |
| Duration of AKI (days) | 0 | 3.1 ± 0.7 | <0.0001 |
| Hospital stay (days) | 4.7 ± 0.7 | 10.6 ± 1.6 | <0.0001 |
| Dialysis (no.) | 0 | 4 | <0.001 |
| Deaths (no.) | 0 | 3 | <0.0001 |
NS, not significant. Values are mean ± SEM. RACHS-1 scoring was performed as described by (33). Delta creatinine represents the percent change in serum creatinine from baseline. Urine output during the first 24 h after surgery is shown.