Table. Demographics and Patient Characteristics.
| Variable | Median (IQR) | P valueb | ||
|---|---|---|---|---|
| Total sample (N = 123)a | Black patients (n = 57) | White patients (n = 66) | ||
| Sex, No. (%) | ||||
| Female | 52 (42.3) | 28.0 (49.1) | 24.0 (36.4) | .15 |
| Male | 71 (57.7) | 29.0 (50.9) | 42.0 (63.6) | |
| Gestational age, wk | 38.0 (37.0-39.0) | 38.0 (37.0-39.0) | 39.0 (38.0-39.0) | .56 |
| Age at surgery, d | 5.0 (3.0-7.0) | 5.0 (4.0-7.0) | 5.0 (3.0-6.8) | .62 |
| Weight at surgery, kg | 3.0 (2.7-3.4) | 3.0 (2.6-3.3) | 3.1 (2.7-3.5) | .16 |
| CPB, min | 149.5 (107.0-173.0) | 153.0 (107.0-173.0) | 143.0 (107.0-184.0) | .90 |
| Unknownc | 1 | 0 | 1 | |
| Aortic cross clamp, min | 74.0 (64.0-86.8) | 76.0 (65.0-85.0) | 74.0 (63.0-87.0) | .84 |
| Unknownc | 1 | 0 | 1 | |
| Cerebral perfusion time, min | 69.0 (61.0-76.0) | 69.0 (65.0-75.0) | 68.0 (57.8-79.5) | .60 |
| Unknownc | 42 | 20 | 22 | |
| Shunt type, No. (%) | ||||
| Sano | 71 (57.7) | 33 (57.9) | 38 (57.6) | >.99 |
| BTTs | 51 (41.5) | 24 (42.1) | 27 (40.9) | |
| Otherd | 1 (0.8) | 0 | 1 (1.5) | |
| Length of stay, de | 32.0 (19.0-62.5) | 43.0 (21.0-75.0) | 27.0 (19.0-47.8) | .06 |
Abbreviations: BTT, Blalock-Taussig-Thomas shunt; CPB, cardiopulmonary bypass.
a
Due to limited sample size, Asian (n = 2) and multiracial (n = 6) patients were excluded from the analysis.
b
Pearson χ2 or Fisher exact and Wilcoxon rank sum tests were completed for categorical and continuous variables, respectively.
c
No. of patients with unknown variable.
d
Included hybrid and Damus-Kaye-Stansel connection with Blalock-Taussig shunt.
e
Defined as the time in days from stage 1 to stage 2 palliation, death, discharge home, or referral for heart transplant.