Forward stepwise multiple regression analysis of factors influencing Ln bone mineral content (BMC) in preterm infants
| Variable | Coefficient | p | R2 |
| Ln Bone area + | 0.893 | 0.000 | 0.543 |
| Duration of dexamethasone use + | −0.015 | 0.000 | |
| Ln Weight at exam + | 1.661 | 0.005 | |
| Ln Weight gain per week | −1.836 | 0.016 |