Table 1.
Demographic Variables
| Category (N = 261) | Value |
|---|---|
| Male, % | 60.1 |
| Gestational age, wk, median (IQR) | 38.7 (37.1–40) |
| Age, yr, median (IQR) | 0.31 (0.07–0.77) |
| Postmenstrual age, wk, median (IQR) | 54.6 (42.6–76.9) |
| Height, cm, median (IQR) | 58 (51.5–67.1) |
| Weight, kg, median (IQR) | 4.8 (3.4–7.4) |
| Postoperative day, median (IQR) | 9 (4–14) |
| Cardiopulmonary bypass, % | 82.3 |
| Cardiopulmonary bypass time, min, mean ± SD | 207 ± 88 |
| Open sternum post surgery, % | 3.1 |
| Serum creatinine, mg/dL, median (IQR) | 0.32 (0.25–0.41) |
| Creatinine clearance, mL/min/1.73 m2, median (IQR) | 84 (58–108) |
| Urine output over previous 12 hr, mL, median (IQR) | 226 (150–345) |
| Urine output over previous 12 hr, mL/kg/hr, mean ± SD | 3.9 ± 2.1 |