Table 1.
Baseline demographics and surgical data
| No CPB n = 13 | CPB n = 29 | DSC n = 27 | P-value No CPB vs. CPB | P-value No CPB vs. DSC | P-value CPB vs. DSC | |
|---|---|---|---|---|---|---|
| Male | 8 (62%) | 16 (55%) | 18 (67%) | ns | ns | ns |
| Ethnicity | ns | ns | ns | |||
| White | 9 (69%) | 18 (62%) | 15 (56%) | |||
| Hispanic | 4 (31%) | 10 (34%) | 11 (40%) | |||
| Other | 0 (0%) | 1 (4%) | 1 (4%) | |||
| Age, days | 11 (3, 14) | 49 (9, 67) | 5 (4, 19) | < 0.0001 | ns | < 0.005 |
| Weight, Kg | 2.9 (2.5, 3.6) | 3.4 (3.1, 4) | 3.1 (2.8, 3.4) | ns | ns | <0.01 |
| Aristotle score | 8 (7, 8) | 10 (7, 11) | 12 (10, 15) | < 0.05 | <0.0001 | < 0.005 |
| Bypass time, minutes | n/a | 130 (94, 176) | 167 (153, 198) | n/a | n/a | < 0.05 |
| Cross-clamp time, minutes | n/a | 86 (61, 113) | 76 (56, 93) | n/a | n/a | ns |
| DHCA time, minutes | n/a | 0 (0, 0) | 22 (0, 35) | n/a | n/a | < 0.01 |
| Single ventricle physiology | 3 (23%) | 2 (7%) | 12 (44%) | ns | ns | < 0.005 |
| Pre-operative steroids | 1 (8%) | 12 (41%) | 23 (85%) | < 0.05 | < 0.0001 | < 0.005 |
Unless otherwise specified, categorical data are expressed as n (%) and continuous data are expressed as median (25th, 75th percentile). CPB, cardiopulmonary bypass; DSC, delayed sternal closure; DHCA, deep hypothermic circulatory arrest; ns, not significant; n/a, not applicable.