Table 2 Neonatal, feeding and discharge characteristics of the PreM Growth Study cohorts gestational age categories*
Characteristic | 23 to 25 weeks | 26 to 28 weeks | 29 to 31 weeks |
|---|---|---|---|
N | 227 | 539 | 213 |
Birthweight (grams) | 715 (124) | 997 (194) | 1071 (169) |
Gestational age (weeks) | 24.4 (0.7) | 27.1 (0.8) | 29.7 (0.8) |
Male sex (%) | 51.5 | 51.8 | 55.2 |
Necrotizing enterocolitis** (%) | 6.1 | 6.0 | 4.4 |
Supplemental O2 (days) | 92 +/− 36 | 56 +/− 35 | 24 +/− 16 |
On oxygen at 28 days (%) | 97.2 | 78.5 | 34.7 |
On oxygen at 36 weeks (%) | 66.2 | 42.8 | 18.5 |
Feeding : | |||
Parenteral nutrition start (day) | 0.4 (0.7) | 0.4 (0.6) | 0.4 (0.7) |
Minimal enteral feed start (day) | 7.4 (5.9) | 4.4 (3.7) | 2.7 (3.1) |
Enteral feeds start (day) | 16.7 (9.4) | 9.8 (6.9) | 6.6 (5.3) |
Full feeds (day) | 34 (15) | 22 (10) | 17 (9.4) |
Predominant EN feedings: | |||
Fortified breastmilk (%) | 77.4 | 77.9 | 80.4 |
Non-fortified breastmilk (%) | 1.9 | 2.6 | 7.6 |
Preterm formula (%) | 15.7 | 13.3 | 8.7 |
Post D/C breastmilk (%) | 50.4 | 52.3 | 67.2 |