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. 2022 Mar 9;9:831580. doi: 10.3389/fcvm.2022.831580

Table 1.

Limits used to define abnormal values for the main CMR parameters obtained from local control populations with the same operator and extraction methods as the current COVID-19 study.

Women Men
Lower LV ejection fraction limits 51 % 49 %
Upper LV mass limits 57 g/m2 73 g/m2
Upper limits for LV mass/volume ratio 0.90 1.11
Upper myocardial T1 limits 1,293 ms 1,293 ms
Upper myocardial T2 limits 47 ms 47 ms
Upper myocardial ECV limits 28.5 % 28.5 %
Upper skeletal T1 limits 1,206 ms 1,206 ms
Upper skeletal ECV limits 14.9 % 14.9 %

ECV, extracellular volume, LV, left ventricle, T1, longitudinal relaxation time, T2, transversal relaxation time.