TABLE 2.
Stepwise regression results for Bayley-II PDI score at 14 months of age (n = 298)
| Variable | Beta coefficient ± SE |
% PDI explained |
P
value |
|---|---|---|---|
| Site | — | 10.87 | .00037 |
| Height at 14 mo (cm) | 1.27 ± 0.303 | 8.46 | 3.28 × 10−5 |
| Post-Norwood LOS (d) | −0.137 ± 0.0394 | 5.34 | .00062 |
| Presence of genetic syndrome | −7.09 ± 2.54 | 1.93 | .0057 |
| Pre-stage 2 surgery head circumference (cm) |
1.068 ± 0.458 | 1.18 | .021 |
| APOE e2 genotype | −6.50 ± 3.11 | 1.04 | .038 |
| Number of serious adverse events |
−1.70 ± 0.972 | 0.89 | .081 |
| Gender (female) | 2.98 ± 2.14 | 0.49 | .16 |
SE, Standard error; PDI, Psychomotor Development Index; LOS, length of stay; APOE, apolipoprotein E.