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Figure 1 (A) Relationship between age and the plasma total insulin-like growth factor-1 (IGF-1) level. (B) Relationship between age and the pericardial total IGF-1 level. (C) Relationship between the plasma and pericardial brain natriuretic peptide (BNP) levels. (D) Relationship between the plasma and pericardial total IGF-1 levels.