Univariate analysis | Multivariate analysis | ||||
---|---|---|---|---|---|
Patients characteristics | Survivors (n = 87) | Non-survivors (n = 52) | p value | OR [CI 95%] | p value |
Age (years) | 52 [45;59] | 62 [57;67] | < 0.01 | 1.07 [1.03–1.11] | < 0.001 |
SAPS2 score | 56 [45;67] | 72 [48;81] | < 0.01 | - | - |
SOFA score | 10 [7;12] | 11 [8;13] | 0.23 | - | - |
Center case-volume (VA ECMO/year) | |||||
< 30 | 20/87 | 12/52 | 0.28 | ||
30–100 | 52/87 | 36/52 | - | - | |
> 100 | 15/87 | 4/52 | |||
ECMO duration (days) | 6 [4;9] | 7 [4;8] | 0.6 | - | - |
FSO2 day 1 (%) | 65 [60;80] | 70 [60;90] | 0.11 | - | - |
FSO2 day 2 (%) | 65 [50;78] | 70 [60;80] | 0.02 | - | - |
FSO2 day 3 (%) | 70 [51;75] | 75 [65;84] | < 0.01 | - | - |
FSO2 mean (day 1−3) (%) | 67 [54;75] | 72 [65;85] | < 0.01 | 1.03 [1.00-1.06] | 0.039 |
FSO2 day 1 > 70%* | 51/87 | 34/52 | 0.48 | - | - |
FSO2 day 2 > 70%* | 49/87 | 37/49 | 0.03 | - | - |
FSO2 day 3 > 70%* | 47/86 | 35/46 | 0.02 | - | - |
FSO2 day 1−3 > 70%* | 39/87 | 33/52 | 0.04 | - | - |
Right radial PaO2 day 1 (mmHg) | 120 [88;183] | 165 [82;242] | 0.21 | - | - |
Right radial PaO2 day 2 (mmHg) | 99 [77;128] | 114 [86;156] | 0.06 | - | - |
Right radial PaO2 day 3 (mmHg) | 94 [81;120] | 109 [82;162] | 0.08 | - | - |
Right radial PaO2 mean (day 1−3) (mmHg) | 111 [90;146] | 141 [100;197] | 0.01 | 1.03 [1.00-1.02] | 0.023 |