| Model | Beta In | t | Significance |
| Gestational Age | −0.027b | −0.162 | 0.872 |
| Length of Stay | −0.103b | −0.617 | 0.540 |
| BPD Home on O2 | −0.176b | −1.295 | 0.202 |
| HC 10th % at Birth | 0.156b | 1.140 | 0.260 |