Research Article

Early Driving Pressure Changes Predict Outcomes during Venovenous Extracorporeal Membrane Oxygenation for Acute Respiratory Distress Syndrome

Table 5

Factors associated with mortality.

Univariate logistic regressionMultivariate logistic regression
Odds ratio (95% CI) valueOdds ratio (95% CI) value

paO2/FiO2ratio before VV-ECMO0.988 (0.97 to 1.01)0.2079

Serum lactate
Before ECMO1.12 (0.89 to 1.41)0.3463
12 h after ECMO1.12 (0.92 to 1.37)0.2529

Etiology of ARDS
Bacterial infection versus noninfectious0.19 (0.04 to 0.74)0.03380.09 (0.01 to 0.97)0.0099
Viral infection versus noninfectious0.19 (0.04 to 0.74)0.01610.08 (0.01 to 0.42)0.0021
Bacterial versus viral infection1.02 (0.24 to 4.22)0.9830

Driving pressure
Before ECMO0.94 (0.84 to 1.05)0.2770
12 h after ECMO1.25 (1.05 to 1.48)0.0129
Absolute change0.82 (0.71 to 0.94)0.0048
Relative change (per 1% decrease)0.96 (0.93 to 0.99)0.00330.94 (0.90 to 0.97)<0.0001