Clinical characteristics of infants
| Characteristics | Preterm Cohort (n = 111) |
|---|---|
| Birth weight (g) (mean, SD) | 992 (224) |
| Gestational age at birth (weeks) (mean, SD) | 27.4 (1.8) |
| No. of males (%) | 59 (53.1) |
| No. of singletons (%) | 64 (57.7) |
| No. small for gestational age (%)* | 8 (7.2) |
| Gestational age at MRI (weeks) (mean, SD) | 40.2 (1.3) |
| No. of intraventricular hemorrhages (%) | |
| Grade I | 2 (1.8) |
| Grade II | 7 (6.3) |
| Grade III or IV | 6(5.4) |
| No. of cases of cystic periventricular leukomalacia (%) | 5 (4.5) |
Note:—MRI indicates MR imaging.
* Birth weight ≤2 SDs for age and sex.