Table 2. Baseline characteristics of participants.
| CHD | Healthy cohort | p-value | |||
|---|---|---|---|---|---|
| n | n | ||||
| Maternal Age (years) | 30.5 ± 4.6 | 127 | 31.0 [26.0–36.0] | 281 | 0.09a |
|
GA (weeks) at time of measurement CTA AVSD HRHS |
23.2 ± 3.2 23.2 ± 3.6 23.1 ± 2.7 20.8 ± 1.3 |
127 54 9 5 |
20.2 ± 1.3 |
281 | 0.00b |
| Nulliparous (%) | 44.1 | 127 | 52.0 | 281 | 0.14c |
| BMI (kg/m 2 ) | 23.8 [18.4–29.2] | 125 | 22.8 [16.7–28.9] | 280 | 0.07a |
Data provided are means ± SD. Median [interquartile range] are provided for variables that are not normally distributed. Differences in baseline characteristics between the CHD group and the healthy cohort were tested using the a Mann-Whitney U test, b Independent T-test and c Chi square test.
Abbreviations: AVSD = atrioventricular septal defect, BMI = body mass index, CHD = congenital heart disease, CTA = conotruncal anomaly, GA = gestational age, HRHS = hypoplastic right heart syndrome, kg = kilograms, m = meter.