Demographics of the HMDF and BMDF groups
| Total N = 139 | HMDF (n = 91) | BMDF (n = 48) |
|---|---|---|
| Gestational age, wk, (mean ± SD) | 27.7 ± 1.9 | 27.4 ± 2.0 |
| Birth weight, g, (mean ± SD) | 1044 ± 254 | 993 ± 213 |
| Birth length, cm, (mean ± SD) | 36.0 ± 3.2 | 35.7 ± 3.2 |
| Birth HC, cm, (mean ± SD) | 24.4 ± 1.9 | 24.7 ± 1.9 |
| Female sex, n, (%) | 49 (54%) | 25 (52%) |
HMDF = human milk-derived fortifier; BMDF = bovine milk-derived fortifier; SD = standard deviation; HC = head circumference.