Demographic characteristics of included subjects (n=21)
| Variable | Result |
|---|---|
| Male subjects, n (%) | 12 (57) |
| Postnatal age at recording (days), median (minimum–maximum) | 15.5 (3–65) |
| Gestational age at birth (weeks), mean (SD) | 27.5 (1.8) |
| Birth weight (g), mean (SD) | 1018 (264.5) |
| Weight at study inclusion (g), mean (SD) | 1219 (236.6) |