Table 3 Unfavorable factors for complete recovery after weaning from veno-venous extracorporeal membrane oxygenation (VV ECMO)

Age (≥ 65 years)

0.81 (0.68–0.98)

0.030

0.72 (0.59–0.87)

0.001

Cardiac arrest before ECMO

0.79 (0.63–0.99)

0.040

0.76 (0.60–0.96)

0.021

Vasopressor

0.67 (0.59–0.75)

< 0.001

0.73 (0.64–0.83)

< 0.001

NMB agents

0.86 (0.76–0.96)

0.009

RRT before ECMO

0.34 (0.24–0.48)

< 0.001

0.40 (0.28–0.57)

< 0.001

ECMO-related complication

0.63 (0.56–0.71)

< 0.001

0.76 (0.67–0.85)

< 0.001

Long-term ECMO support (≥ 2 weeks)

0.41 (0.36–0.47)

< 0.001

0.42 (0.37–0.48)

< 0.001