Table 3.
Analysis of variables associated with mortality (univariate logistic regression)
| Associated variables | OR | CI | p value |
|---|---|---|---|
| Weight | 1.072 | 0.84–1.37 | 0.583 |
| Age | 1.002 | 0.99–1.01 | 0.183 |
| Gender, M | 1.364 | 0.37–5.00 | 0.640 |
| Immaturity | 1.538 | 0.29–8.09 | 0.611 |
| CCC | 0.072 | 0.01–0.38 | 0.002 |
| HFOV | 5.5 | 1.40–21.52 | 0.015 |
| ECMO | 3 | 0.48–18.85 | 0.241 |
| P-S | 0.308 | 0.06–1.48 | 0.142 |
| iNO | 2.619 | 0.69–9.91 | 0.156 |
| Time Interval adm – surf | 1.142 | 1.02–1.28 | 0.025 |
| PaCO2, pre administration | 1.025 | 0.98–1.07 | 0.268 |
| PaO2, pre administration | 0.981 | 0.94–1.03 | 0.405 |
| FiO2, pre administration | 259.236 | 1.12–5989 | 0.045 |
| P/F, pre administration | 0.97 | 0.94–1.00 | 0.066 |
| pH, pre administration | 2.451 | 0.01–829.4 | 0.763 |
| OI, pre administration | 1.023 | 0.97–1.07 | 0.369 |
OR odds ratio, CI confidence interval, M male, CCC Chronic Complex Condition, HFOV high frequency oscillatory ventilation, P-S prono supination, iNO inhaled nitric oxide, OI oxygenation index, d day, adm admission, surf surfactant dose