Prediction of the ischemic origin of functional mitral regurgitation in patients with systolic heart failure through posterior mitral leaflet angle.

Multivariable stepwise logistic regression analysis was performed with adjustments for age, gender, hyperlipidemia, hypertension, smoking status, anterior and inferior Sm, posterior MLA, and other variables with marginally significant differences (P < 0.100) in univariate analyses in order to investigate the independent determinant of functional ischemic MR.

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