Table 1.
Baseline and postoperative characteristics by AKI progression status
| Characteristic | AKI without Progression, n=148 | AKI with Progression, n=28 | P Valuea |
|---|---|---|---|
| Age, yr | 2.7 (4.0) | 1.9 (2.9) | 0.51 |
| Women | 67 (45%) | 12 (43%) | 0.81 |
| Nonwhite race | 25 (17%) | 7 (25%) | 0.31 |
| Preoperative eGFR | 98.3 (32.0) | 106.3 (32.5) | 0.19 |
| RACHS-1 category | |||
| 1 | 1 (1%) | 0.92 | |
| 2 | 76 (52%) | 13 (46%) | |
| 3 | 61 (41%) | 13 (46%) | |
| 4 | 9 (6%) | 2 (7%) | |
| CPB time, min | 116.0 (64.6) | 142.3 (54.8) | 0.003 |
| Crossclamp time, min | 48.0 (46.8) | 59.5 (42.5) | 0.09 |
| Type of surgery, urgent | 12 (8%) | 6 (21%) | 0.03 |
| Type of surgery | |||
| Septal defect repair | 47 (33%) | 7 (27%) | 0.50 |
| Inflow/outflow tract or valve procedure | 19 (13%) | 2 (8%) | |
| Combined procedure | 76 (54%) | 17 (65%) | |
| Index hospitalization | |||
| Dialysis | 0 (0%) | 3 (11%) | <0.001 |
| Length of stay in ICU, d | 4.4 (4.68) | 10.7 (10.5) | <0.001 |
| Length of stay in hospital, d | 9.6 (10.0) | 19.2 (18.5) | <0.001 |
| In-hospital death | 4 (3%) | 1 (4%) | 0.80 |
| No. of days on ventilator | 2.0 (1.6) | 3.5 (1.6) | <0.001 |
RACHS-1, risk adjustment of congenital heart surgery 1; CPB, cardiopulmonary bypass; ICU, intensive care unit.
a
P values were obtained by the Kruskal–Wallace test.