V’maxFRC | Respiratory compliance | Airway resistance | ||||
---|---|---|---|---|---|---|
Source | F ratio | P value | F ratio | P value | F ratio | P value |
Covariates | ||||||
Gestational age | <0.01 | 0.945 | 0.19 | 0.667 | 0.02 | 0.885 |
Birth weight | 4.99 | 0.028 | 2.98 | 0.087 | <0.01 | 0.991 |
Postconceptional age | 4.22 | 0.043 | 7.69 | 0.007 | 0.37 | 0.544 |
Body weight | 2.44 | 0.122 | 6.48 | 0.012 | 1.11 | 0.295 |
Duration hsPDA | 0.26 | 0.609 | 0.05 | 0.821 | 0.65 | 0.423 |
Duration mechanical ventilation | 0.43 | 0.513 | 2.29 | 0.133 | 0.08 | 0.773 |
Main effect | ||||||
PDA ligation | 2.73 | 0.102 | 1.68 | 0.198 | 22.00 | <0.001 |