Table 4.
Logistic regression analysis for independent predictors of V-A ECMO mortality in total
| Variables | Univariate
|
Multivariate
|
||||
|---|---|---|---|---|---|---|
| OR | 95% CI | P-value | OR | 95% CI | P-value | |
| Age ≥65 | 4.400 | 1.700–11.389 | 0.002 | 5.750 | 1.508–21.920 | 0.010 |
| Myocarditis or PTE | 0.278 | 0.100–0.772 | 0.014 | 0.299 | 0.072–1.246 | 0.097 |
| Hypertension | 2.483 | 1.006–6.125 | 0.048 | 1.831 | 0.503–6.667 | 0.359 |
| HCO3 | 0.909 | 0.835–0.990 | 0.029 | 0.884 | 0.788–0.991 | 0.035 |
| Potassium | 1.713 | 0.971–3.023 | 0.063 | |||
| Creatinine | 3.523 | 1.192–10.415 | 0.023 | 4.546 | 1.021–20.239 | 0.047 |
| GCS score | 0.888 | 0.812–0.971 | 0.009 | 0.358 | 0.059–2.164 | 0.263 |
| Asystole or PEA | 2.647 | 0.996–7.033 | 0.051 | |||
| APACHE II | 1.123 | 1.049–1.202 | 0.001 | 1.020 | 0.896–1.162 | 0.763 |
Abbreviations: V-A ECMO, venous-arterial extracorporeal membrane oxygenation; PTE, pulmonary thromboembolism; GCS, Glasgow Coma Scale; PEA, pulseless electrical activity; APACHE II, Acute Physiology and Chronic Health Evaluation II.