Details of subjects
| Subject | Gestational age (weeks) | Birthweight (g) | Age at time of study (h) |
|---|---|---|---|
| 1 | 23 | 660 | 3 |
| 2 | 28 | 1103 | 10 |
| 3 | 30 | 1395 | 12 |
| 4 | 32 | 1798 | 3 |
| 5 | 34 | 1720 | 44 |
| 6 | 34 | 1780 | 24 |
| 7 | 32 | 1984 | 26 |
| 8 | 25 | 900 | 31 |
| 9 | 27 | 513 | 11 |
| 10 | 28 | 1093 | 21 |
| 11 | 29 | 1015 | 33 |
| 12 | 34 | 2325 | 22 |
| 13 | 27 | 785 | 4 |
| 14 | 26 | 561 | 4 |