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The effect of healthy aging on the E/A ratio (A), E (B), peak early mitral annular longitudinal velocity (Em, C), isovolumic relaxation time (IVRT, D), the time constant of isovolumic pressure decay with zero asymptote assumption (τ, E), and propagation velocity (VP, F). Boxes represent group means. *P < 0.05 and #P < 0.070–0.076 vs. young group.
