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Scatterplot showing a mild correlation between E/E′ and GLS and early-diastolic longitudinal strain rate in all patients. Strain parameters were expressed as absolute values, and the lower values meant worse cardiac function. The blue shaded regions represented the 95% prediction intervals. E, early-diastolic mitral inflow velocity; E′, mean mitral annular peak early-diastolic velocity; GLS, global longitudinal strain; eGLSR, early-diastolic GLS rate.
