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Figure 1 Kaplan-Meier curves showing the cumulative incidence of cardiovascular events during follow-up according to quartiles of BNP plasma levels. Quartile ranges: Q1 <11.84; Q2 11.84 to 38.30; Q3 38.30 to 100.35; Q4 >100.35 pg/ml. BNP = B-type natriuretic peptide.
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