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. 2021 Nov 12;36(8):2700–2706. doi: 10.1053/j.jvca.2021.11.006

Table 1.

Participants, Intervention, Comparison, and Outcomes (PICO) of the Present Meta-Analysis

PICO Description
Population Patients diagnosed with COVID-19 who developed ARDS and were put on VV ECMO
Intervention VV ECMO
Comparison None
(in a secondary analyses we performed a comparison with influenza patients who were put on ECMO)
Outcome Mortality

Abbreviations: ARDS, acute respiratory distress syndrome; PICO, participants, intervention, comparison, and outcomes; VV ECMO: veno venous extracorporeal membrane oxygenation.