Variables | β |
| Wald χ2 | P value | HR (95% CI) |
Time of ECMO (h) |
|
|
|
|
|
<24 | −0.92 | 0.30 | 9.28 | 0.002 | 0.40 (0.22 - 0.72) |
24 - 48 | −0.89 | 0.28 | 10.26 | 0.001 | 0.41 (0.24 - 0.71) |
≥48 |
|
|
|
| 1.00 |
Group |
|
|
|
|
|
Intra-operative ECMO |
|
|
|
| 1.00 |
Post-operative ECMO | 0.84 | 0.36 | 5.62 | 0.018 | 2.33 (1.16 - 4.67) |