Table 3 Participant demographics and clinical characteristics
From: Early life stress impairs hippocampal subfield myelination
| Â | Total data release | Final sample |
|---|---|---|
N | 783 | 520 |
Sex, n female (%) | 359 (45.8%) | 226 (43.5%) |
n, preterm born (%) | 205 (26.2%) | 120 (23.1%) |
Birth weight, kg, median (IQR) | 3.2 (2.5–3.6) | 3.2 (2.7–3.7) |
Birth age, weeks, median (IQR) | 39.3 (36.8–40.7) | 39.6 (37.3–40.7) |
Scan age, weeks, median (IQR) | 40.9 (38.1–42.3) | 40.9 (39.1–42.1) |
n, longitudinal data (%) | 104 (13.3%) | 25 (4.8%) |
Difference between birth and age at first scan, weeks, median (IQR) | 1.1 (0.3–2.6) | 0.9 (0.3–2.6) |
Difference between birth and age at second scan, weeks, median (IQR) | 9.6 (7.3–13.0) | 8.6 (7.4–10.4) |
n, congenital cardiac abnormality (%) | 12 (1.5%)a | 4 (0.8%) |
n, congenital brain abnormality (%) | 5 (0.6%)a | 2 (0.4%) |
n, congenital abnormality other than heart or brain (%) | 5 (0.6%) | 3 (0.6%) |
n, necrotizing enterocolitis (%) | 23 (2.9%) | 10 (1.9%) |
n, NICU stay | 190 | 106 |
n, preterm born (%) | 148 (77.9%) | 85 (80.2%) |
Days in NICU | 19.0 (7.0–44.8) | 18.0 (6.0–35.8) |
n, received ventilation (%) | 83 (43.7%) | 45 (42.5%) |
# days ventilation, median (IQR) | 0.0 (0.0–2.8) | 0.0 (0.0–2.0) |
