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. 2020 Aug 24;43(10):1055–1063. doi: 10.1002/clc.23451

TABLE 2.

Ordinal scale for assessing endpoints

Not hospitalized with resumption of normal activities
Not hospitalized but unable to resume normal activities
Hospitalized, not requiring supplemental oxygen
Hospitalized, requiring supplemental oxygen
Hospitalized, requiring nasal high‐flow oxygen, noninvasive mechanical ventilation or both
Hospitalized, requiring ECMO, invasive mechanical ventilation, or both
Death

Abbreviations: ECMO, extracorporeal membrane oxygenation.