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. 2019 Jul 10;74(2):295–304. doi: 10.1161/HYPERTENSIONAHA.119.12956

Figure 5.

Figure 5.

Receiver operating characteristic (ROC) curves and correlation analyses. A, ROC curves for diffusion tensor magnetic resonance imaging (DT-MRI)-derived parameters to detect subendocardial fibrosis. B, ROC curves for echocardiographic parameters to detect subendocardial fibrosis. C, Color-coded correlation coefficients of various parameters (Pearson correlation coefficient r). A indicates late diastolic filling rate; a′, late diastolic mitral annular velocity; DT, deceleration time of early diastolic filling rate; E, early diastolic filling rate; e′, early diastolic mitral annular velocity; EF, ejection fraction; FAC, fractional area change; FS, fractional shortening; GCS, global peak circumferential strain; GCRS, global circumferential strain rate; GLS, global peak longitudinal strain; GLSR, global longitudinal strain rate; GRS, global peak radial strain; GRSR, global radial strain rate; HAEpi, subepicardial helix angle; HAEndo, subendocardial helix angle; HATransmural, transmural helix angle; IVCT, isovolumic contraction time; IVRT, isovolumic relaxation time; MDEpi, subepicardial mean diffusivity; MDEndo, subendocardial mean diffusivity; and MDTransmural, transmural mean diffusivity.