The distributions of gestational age at birth, chronological age, and corrected age (according to a term reference at 40 weeks of GA) at MRI scanning among the 73 subjects
| All (N = 73) | Male (N = 42) | Female (N = 31) | Singleton (N = 31) | Twin (N = 42) | |
|---|---|---|---|---|---|
| GA at birth (weeks) | 37.9 ± 1.7 (35.3–42.1) | 38.1 ± 1.5 (36.1–42.1) | 37.7 ± 1.8 (35.3–39.0) | 39.3 ± 1.4 (36.1–42.1) | 36.9 ± 1.0 (35.3–39.0) |
| Age at neonatal MRI (months) | 0.85 ± 0.36 (0.3–2.0) | 0.91 ± 0.44 (0.3–2.0) | 0.77 ± 0.20 (0.3–1.1) | 0.39 ± 0.24 (0.3–1.4) | 0.96 ± 0.39 (0.3–2.0) |
| Corrected age at neonatal MRI (months) | 0.37 ± 0.42 (−0.3–1.5) | 0.48 ± 0.43 (−0.3–1.5) | 0.22 ± 0.36 (−0.23–1.2) | 0.53 ± 0.32 (−0.28–1.2) | 0.25 ± 0.45 (−0.3–1.5) |
| Age at year 1 MRI (years) | 1.08 ± 0.06 (0.94–1.25) | 1.07 ± 0.06 (0.94–1.21) | 1.09 ± 0.06 (0.96–1.25) | 1.05 ± 0.08 (0.94–1.21) | 1.09 ± 0.05 (1.00–1.25) |
| Corrected age at year 1 MRI (years) | 1.04 ± 0.06 (0.92–1.18) | 1.03 ± 0.06 (0.92–1.18) | 1.04 ± 0.05 (0.96–1.17) | 1.04 ± 0.06 (0.94–1.18) | 1.04 ± 0.05 (0.92–1.17) |
| Age at year 2 MRI (years) | 2.08 ± 0.10 (1.81–2.40) | 2.10 ± 0.10 (1.93–2.40) | 2.05 ± 0.10 (1.81–2.32) | 2.03 ± 0.05 (1.93–2.21) | 2.11 ± 0.12 (1.81–2.40) |
| Corrected age at year 2 MRI (years) | 2.04 ± 0.10 (1.75–2.37) | 2.06 ± 0.09 (1.93–2.37) | 2.01 ± 0.10 (1.75–2.23) | 2.02 ± 0.05 (1.93–2.20) | 2.05 ± 0.12 (1.75–2.37) |