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Association of serum NT-proBNP with E/E′ mean. Scatterplot of E/E′ mean and NT-proBNP in ng/L. The regression line is adjusted according to the multivariable model. Abbreviations: E = peak early transmitral filling velocity, E′ = early mitral annulus velocity, NT-proBNP = N-terminal prohormone of the brain natriuretic peptide, R2 = adjusted coefficient of determination.
