Table 6.
Multiple regression analysis of associated factors which influenced the duration from initiating NCPAP weaning to achieving complete room air and total number of days of respiratory therapy.
| Item | Regression Coefficient | Lower 95% CI | Upper 95% CI | p Value | VIF | |
|---|---|---|---|---|---|---|
| Duration from Initiating NCPAP Weaning to Achieving Complete Room Air (days) | Room air–HFNC @ | −9.549 | −15.168 | −3.931 | 0.001 * | 1.026 |
| Intubation after birth | 5.778 | 0.099 | 11.458 | 0.046 * | 1.026 | |
| Total Number of Days of Respiratory Therapy | Room air-HFNC @ | −28.667 | −37.396 | −19.938 | <0.001 * | 1.261 |
| GA | −7.241 | −10.129 | −4.352 | <0.001 * | 2.827 | |
| BBW | −0.031 | −0.053 | −0.009 | 0.004 * | 2.874 | |
| 1′ Apgar score | −2.176 | −6.357 | 2.005 | 0.305 | 4.567 | |
| 5′ Apgar score | 2.055 | −1.599 | 5.709 | 0.268 | 4.293 | |
| RDS grade | 3.522 | −3.211 | 10.254 | 0.302 | 1.789 | |
| Surfactant usage | 0.906 | −9.598 | 11.409 | 0.865 | 2.110 | |
| Intubation after birth | −4.601 | −13.973 | 4.771 | 0.333 | 1.475 | |
| Caffeine-Theophylline ^ | 3.053 | −6.319 | 12.426 | 0.519 | 1.274 | |
| ROP ≥ stage III | 0.830 | −8.570 | 10.231 | 0.861 | 1.086 |
* p value < 0.05; @ Compared room air group to HFNC group; ^ compared Caffeine to Theophylline; NCPAP, nasal continuous positive airway pressure; HFNC, high-flow nasal cannula; CI, confidence interval, VIF, Variance Inflation Factor; GA, gestational age; BBW, birth body weight; RDS, respiratory distress syndrome; ROP, retinopathy of prematurity.