Table 1.
Participant characteristics and cognitive data stratified by group.
| Variables | CHD Patients (n = 47) | Controls (n = 44) | P |
|---|---|---|---|
| Agea | 13.7 (1.6) | 13.9 (1.8) | 0.56 |
| Male sexb | 23 (48.9) | 20 (45.5) | 0.93 |
| SESa | 7.7 (2.1) | 8.6 (1.5) | >0.05 |
| IQ at assessmenta | 104.9 (16.6) | 112.5 (10.3) | 0.01 |
| Working memorya | 94.1 (13.1) | 103.4 (12.2) | <0.01 |
| Receiving learning support in schoolb | 14 (29.8) | ||
| Receiving reading support in schoolb | 8 (17.0) | ||
| Receiving math support in schoolb | 9 (19.1) | ||
| Completed an additional year of regular schoolingb | 16 (34.0) |
SES socioeconomic status (range 2–12).
a
Mean (standard deviation).
b
Number of individuals (%). P = uncorrected P-value. Data on schooling was not available for controls.