Table 3.
Predictors for in‐hospital mortality
| Adjusted HR | 95% CI | P value | |
|---|---|---|---|
| Propensity score matched population | |||
| Body mass index | 1.104 | 1.037–1.175 | 0.002 |
| Left ventricular ejection fraction | 0.983 | 0.966–1.000 | 0.049 |
| Creatinine clearance rate | 0.413 | 0.270–0.631 | <0.001 |
| Pre‐ECMO lactic acid | 1.074 | 1.022–1.129 | 0.005 |
| Shock to ECMO time | 1.133 | 0.979–1.310 | 0.093 |
| Cardiopulmonary resuscitation | 3.712 | 2.257–6.104 | <0.001 |
| Distal limb perfusion | 0.539 | 0.338–0.862 | 0.010 |
| Mechanical ventilator | 2.497 | 1.138–5.482 | 0.023 |
| IPW‐adjusted | |||
| Pre‐ECMO lactic acid | 1.095 | 1.032–1.161 | 0.003 |
| Shock to ECMO time | 1.000 (1.0002) | 1.000–1.000 (1–1.000396) | 0.003 |
| Cardiopulmonary resuscitation | 1.711 | 1.110–2.636 | 0.015 |
| Initial pump flow | 0.704 | 0.531–0.934 | 0.015 |
| Distal limb perfusion | 0.486 | 0.325–0.726 | <0.001 |
| CRRT | 1.616 | 1.076–2.426 | 0.021 |
CI, confidence interval; CRRT, continuous renal replacement therapy; ECMO, extracorporeal membrane oxygenation; HR, hazard ratio; IPW, inverse‐probability weighting