Table 4.
Univariate and multiple logistic regression analysis of pre-extracorporeal membrane oxygenation predictors of 28-day mortality
| Variable | Univariate analysis | Multivariate analysis | ||||
|---|---|---|---|---|---|---|
| OR | 95 % CI | p-value | OR | 95 % CI | p-value | |
| Hypertension | 3.857 | 1.312-11.337 | 0.014 | 1.921 | 0.123-29.942 | 0.641 |
| Cardiac arrest on arrival | 3.392 | 1.220-9.431 | 0.019 | 0.012 | 0.000-1.896 | 0.087 |
| E-CPR | 5.833 | 1.998-17.028 | 0.001 | 1.078 | 0.055-21.099 | 0.960 |
| CPR time | 1.021 | 1.000-1.041 | 0.047 | 1.002 | 0.955-1.051 | 0.941 |
| VA/VV ECMO | 14.211 | 1.665-121.316 | 0.015 | 4.626 | 0.023-925.946 | 0.571 |
| Lactate | 1.334 | 1.109-1.605 | 0.002 | 1.345 | 0.885-2.045 | 0.165 |
| SOFA score | 1.430 | 1.146-1.785 | 0.002 | 1.191 | 0.539-2.633 | 0.665 |
| CPR related Cx | 7.594 | 2.181-26.437 | 0.001 | 1.138 | 0.082-15.840 | 0.923 |
| Pre-ECMO SAPS II | 1.131 | 1.059-1.207 | <0.001 | 1.189 | 1.032-1.370 | 0.016 |
In order to solve the multicollinearity problem, we excluded the variables that are included in SAPS II from the logistic regression analysi
E-CPR extracorporeal cardiopulmonary resuscitation, CPR cardiopulmonary resuscitation, VA veno-arterial, VV veno-venous, ECMO extracorporeal membrane oxygenation, SOFA Sequential Organ Failure Assessment, SAPS II Simplified Acute Physiology Score II, Cx complications