| β coefficient | Odds ratio | 95% CI | p value | Score |
---|---|---|---|---|---|
Age ≤ 56 years | 2.02 | 7.57 | 2.04–28.16 | 0.003 | 3 |
CPR duration ≤ 55 min | 2.62 | 13.73 | 3.04–62.03 | <0.001 | 4 |
First documented arrest rhythm | |||||
 Asystole | 0 | 1 |  |  |  |
 VF/pulseless VT and PEA | 2.12 | 8.30 | 0.98–70.64 | 0.05 | 3 |
Any ROSC event before ECPR | 2.12 | 8.3 | 1.97–34.98 | 0.004 | 3 |