Factors associated with the exposure to ECPR in multivariable logistic regression analysis
| OR | 95% CI | p Value | |
| Age (<60 vs 60+ years) | 0.07 | 0.01 to 0.85 | 0.037 |
| Female gender (yes vs no) | 2.63 | 0.27 to 26.15 | 0.41 |
| No-flow time (<1 vs 1+ min) | 0.07 | 0.01 to 1.22 | 0.068 |
| Shockable heart rhythm (yes vs no) | 3.2 | 0.28 to 35.65 | 0.35 |
| Witnessed CA (yes vs no) | 0.01 | 0 to 2.47 | 0.10 |
| Basic life support performed (yes vs no) | 1.36 | 0.14 to 13.22 | 0.79 |
| pH on admission (<6.92 vs 6.92+) | 0.73 | 0.31 to 1.70 | 0.47 |
| Lactate on admission (<14.6 vs 14.6+ mmol/L) | 1.01 | 0.82 to 1.27 | 0.86 |
| Public place CA (yes vs no) | 0.73 | 0.06 to 9.1 | 0.80 |
CA, cardiac arrest; ECPR, extracorporeal cardiopulmonary resuscitation; no-flow time, interval from cardiac arrest to CPR dichotomised at the median.