Fig. 4From: Serum insulin-like growth factor-1 and its binding protein-7: potential novel biomarkers for heart failure with preserved ejection fractionComparison of left atrial volume index (a), average E/E’ ratio (septal and lateral averaged) (b), and NT-proBNP levels (c) for patients above and below the median IGFBP-7/IGF-1 ratioBack to article page