Univariate analysis | ||||
---|---|---|---|---|
Variable | HR | 95% CI (Lower) | 95% CI (Upper) | p-value |
Age (cont.) | 1.05 | 1.04 | 1.06 | < 0.001 |
Age ≥ 59 | 2.31 | 1.89 | 2.83 | < 0.001 |
Male gender | 0.91 | 0.71 | 1.15 | 0.41 |
BMI (cont.) | 0.99 | 0.97 | 1.01 | 0.20 |
BMI ≥ 27.7 | 0.75 | 0.61 | 0.91 | 0.003 |
Ventilator days before ECMO (cont.) | 1.04 | 0.87 | 1.24 | 0.67 |
Ventilator days before ECMO ≥ 3 | 2.01 | 1.65 | 2.44 | < 0.001 |
Inst. experience of ECMO (cont.) | 0.99 | 0.98 | 1.00 | 0.003 |
Inst. experience of ECMO ≥ 11 | 0.69 | 0.57 | 0.83 | < 0.001 |
P/F ratio at starting ECMO | 1.00 | 1.00 | 1.00 | 0.77 |
PEEP at starting ECMO | 1.00 | 1.00 | 1.00 | 0.59 |
COVID-19 outbreak (fifth vs others) | 1.00 | 0.73 | 1.36 | 0.98 |
Multivariate analysis (Model 1) | ||||
Age (cont.) | 1.04 | 1.03 | 1.05 | < 0.001 |
BMI ≥ 27.7 | 1.06 | 0.87 | 1.30 | 0.56 |
Ventilator days before ECMO ≥ 3 | 1.82 | 1.50 | 2.21 | < 0.001 |
Inst. experience of ECMO (cont.) | 0.99 | 0.98 | 1.00 | 0.015 |
Multivariate analysis (Model 2) | ||||
Age ≥ 59 | 2.17 | 1.76 | 2.68 | < 0.001 |
BMI ≥ 27.7 | 1.02 | 0.84 | 1.26 | 0.82 |
Ventilator days before ECMO ≥ 3 | 1.91 | 1.57 | 2.32 | < 0.001 |
Inst. experience of ECMO ≥ 11 | 0.70 | 0.58 | 0.85 | < 0.001 |