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Figure 4 (A) Direct correlation (y = 0.03x + 4.75) between left ventricular end-systolic circumferential wall stress and MMP-1 measured in peripheral vein blood in all subjects. (B) Direct correlation (y = 5.28x – 1.93) between log amino-terminal pro-brain natriuretic peptide and MMP-1 measured in peripheral vein blood in all subjects. LV = left ventricular; NT-proBNP = amino-terminal pro-brain natriuretic peptide; other abbreviations as in Figure 2.