| Study ID | Were study population preterm infants? P | Did intervention group receive HMDF? I | Did comparison group receive CMDF? C | Were clinical outcomes reported? O | Was the design of the study an RCT? S |
|---|---|---|---|---|---|
| Hagelberg et al. (5) | Yes | Yes | Yes | Yes | Yes |
| Boehm et al. (7) | Yes | Yes | Yes | Yes | Yes |
| Polberger et al. (4) | Yes | Yes | Yes | Yes | Yes |
| Cristofalo et al. (2) | Yes | Yes | “The BOV diet consisted initially of 20 kcal/oz preterm formula and subsequently 24 kcal/oz strength” | Yes | Yes |
| Sullivan et al. (3) | Yes | Yes | Yes | Yes | Yes |
| O'Connor et al. (8) | Yes | Yes | Yes | Yes | Yes |
1BOV, bovine; C, comparator; CMDF, cow milk–derived fortifier; HMDF, human milk–derived fortifier; I, intervention; O, outcomes; P, patient; RCT, randomized controlled trial; S, study design.