Additional file 1 of Safety of inter-facility transport strategies for patients referred for severe acute respiratory distress syndrome

Additional file 1: Supplemental Methods 1. Initial ventilatory optimization. Supplemental Methods 2. VV-ECMO implantation and mechanical ventilation settings during VV-ECMO. Supplemental Methods 3. Post-transport patient management in the referral ICU. Supplemental Methods 4. Data collection. Supplemental Table 1. Missing values. Supplemental Table 2. ARDS risk factors. Supplemental Table 3. Theoretical indications and potential contra-indications for VV-ECMO in patients transported in the prone or supine position without VV-ECMO. Supplemental Table 4. Comparison of patients with or without COVID-19 ARDS. Supplemental figure 1. Mechanical ventilation optimization procedure. Supplemental Figure 2. Study flow chart. Supplemental Figure 3. Transport complications in each study group based on the distance of transport to the referral center. Supplemental Figure 4. Frequency of use of prone positioning over the first 7 days after transport in each study group.