Infant Characteristics | Â | Cohort total | Cases | Controls | Comparisona |
---|---|---|---|---|---|
Sample Size | Â | 146 | 85 | 61 | Â |
Gestational Age, days, |  | 185 ± 10 | 180 ± 9 | 190 ± 8 | < 0.001 |
Gestational Age, n (%), completed wks. | Â | Â | Â | Â | Â |
 | 23 | 5 (3.4) | 5 (5.9) | 0 (0.0) |  |
 | 24 | 23 (15.8) | 22 (25.9) | 1 (1.6) |  |
 | 25 | 24 (16.4) | 16 (18.8) | 8 (13.1) | < 0.001 |
 | 26 | 36 (24.7) | 23 (27.1) | 13 (21.3) |  |
 | 27 | 34 (23.3) | 14 (16.5) | 20 (32.8) |  |
 | 28 | 24 (16.4) | 5 (5.9) | 19 (31.1) |  |
Female, n (%) | Â | 70 (47.9) | 37 (43.5) | 33 (54.1) | 0.27 |
Race, Caucasian (%) | Â | 86 (58.9) | 52 (61.2) | 34 (55.7) | 0.63 |
Multiple births, n (%) | Â | 22 (15.1) | 14 (16.5) | 8 (13.1) | 0.75 |