Fig. 4From: Micro-RNA-21 (biomarker) and global longitudinal strain (functional marker) in detection of myocardial fibrotic burden in severe aortic valve stenosis: a pilot studyUnivariate regression (including 95 % confidence, prediction and line of equality) weighted for Left Ventricular Massi. Myocardial fibrosis in percentage (MF %) and plasmatic levels of micro-RNA-21 (miRNA-21): R2 = 0.50; p = 0.0005Back to article page