Maternal and fetal characteristics
| Variables | All (n = 69) | CHD (n = 48) | Controls (n = 21) | P Valuea |
|---|---|---|---|---|
| Maternal characteristics | ||||
| Race (No.) (%) | >.99 | |||
| Black | 2 (3) | 2 (4) | 0 | |
| White | 64 (93) | 44 (92) | 20 (95) | |
| Other | 3 (4) | 2 (4) | 1 (5) | |
| Hispanic ethnicity (No.) (%) | 9 (13) | 6 (13) | 3 (14) | >.99 |
| Education, bachelor’s degree or higher (No.) (%) | 34 (51) | 23 (50) | 11 (52) | >.99 |
| Estimated age at delivery (median) (range) (yr) | 31.6 (18.7–40.4) | 31.8 (18.7–40.4) | 30.0 (23.0–37.5) | .68 |
| Fetal characteristics | ||||
| Male sex, n (%) | 38 (55) | 28 (58) | 10 (48) | .44 |
| Gestational age at MR imaging (median) (range) (yr) | 28.3 (25.1–33.3) | 29.4 (25.9–33.3) | 26.9 (25.1–33.1) | .003 |
↵a P values for group comparisons were determined by Fisher exact tests for categoric variables and Wilcoxon rank sum tests for continuous variables.