Table 1
Clinical details of study cohort divided into three groups according to gestation
| Group A | Group B | Group C | |
|---|---|---|---|
| Values in parentheses are 25th,75th centiles. | |||
| Group A, born at >37 weeks; group B, born at 32–36 weeks; group C, born at <32 weeks; SGA, small for gestational age, on or below the 9th centile for weight; AGA, appropriate size for gestational age, between 10th and 90th centile for weight; LGA, large for gestational age, above 90th centile for weight; PROM, prolonged rupture of membranes; SVD, spontaneous vertex delivery; TPN, total parenteral nutrition. | |||
| Number of infants | 62 | 28 | 20 |
| Median gestation (weeks) | 40 (38, 41) | 33 (32, 34) | 28 (26, 30) |
| Male:female | 37:25 | 14:14 | 9:11 |
| Median birth weight (g) | 3490 (3075, 3788) | 1890 (1590, 2310) | 1080 (920, 1280) |
| SGA | 4 | 9 | 2 |
| AGA | 49 | 17 | 17 |
| LGA | 9 | 2 | 1 |
| White | 57 | 28 | 18 |
| Asian | 4 | 0 | 1 |
| Mixed race | 1 | 0 | 1 |
| History of PROM | 1 | 1 | 1 |
| Antenatal steroids | 0 | 10 | 8 |
| Twins | 0 | 9 | 1 |
| Oligohydramnios | 1 | 3 | 0 |
| SVD | 34 | 10 | 10 |
| Caesarean section | 16 | 13 | 8 |
| Forceps | 11 | 3 | 1 |
| Vaginal breech | 1 | 2 | 1 |
| Breast | 27 | 8 | 1 |
| Formula | 23 | 8 | 1 |
| Breast and formula | 12 | 9 | 3 |
| TPN (± enteral feeds) | 0 | 11 | 19 |
