Table 4. Risk factors for survival to hospital discharge.
| Univariate | Multivariate | |||
|---|---|---|---|---|
| OR (95% CI) | p-value | OR (95% CI) | p-valuea | |
| Age | 0.99 (0.97–1.01) | 0.339 | 0.98 (0.96–1.00) | 0.083 |
| CPR at daytime | 1.54 (0.81–2.95) | 0.189 | ||
| SAVE score before ECPR | 1.06 (0.99–1.13) | 0.097 | ||
| Location of ECMO cannulation | 0.351 | |||
| ICU | 1 | |||
| Cardiac catheterization laboratory | 1.19 (0.59–2.40) | |||
| General ward | 0.20 (0.03–1.63) | |||
| Emergency department | 0.74 (0.28–1.93) | |||
| Operating room | 0.40 (0.08–1.93) | |||
| SOFA score after ECPR | 0.74 (0.63–0.87) | <0.001 | 0.67 (0.55–0.81) | <0.001 |
| initial ECG rhythm | 0.005 | <0.001 | ||
| Asystole | 1 | 1 | ||
| PEA | 4.02 (1.14–14.12) | 0.030 | 6.16 (1.58–24.05) | 0.009 |
| VF/Pulseless VT | 7.78 (2.11–28.64) | 0.002 | 17.86 (4.15–76.81) | <0.001 |
| CPR to ECMO pump-on time (per minute) | 0.98 (0.96–0.99) | 0.005 | 0.97 (0.95–0.99) | <0.001 |
| BMI | 0.951 | 0.946 | ||
| Underweight | 1.17 (0.37–3.73) | 0.791 | 1.01 (0.26–3.92) | 0.992 |
| Normal | 1 | 1 | ||
| Overweight | 0.91 (0.45–1.84) | 0.793 | 1.27 (0.54–2.96) | 0.59 |
| Obese | 0.77 (0.23–2.56) | 0.665 | 0.90 (0.23–3.45) | 0.872 |
SOFA, Sequential Organ Failure Assessment; ECG, electrocardiography; PEA, pulseless electrical activity; VF, ventricular fibrillation; VT, ventricular tachycardia; CPR, cardiopulmonary resuscitation; ECMO, extracorporeal membrane oxygenation; BMI, body mass index
aAdjusted by Age, SOFA score, initial ECG rhythm, CPR to ECMO pump-on time and BMI.