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Figure 4 Kaplan-Meier curves showing the cumulative incidence of death or re-admission according to predischarge B-type natriuretic peptide (BNP) ranges (<350, 350 to 700, >700 ng/l) in the whole population; p < 0.001 for the trend among BNP ranges. On the right, hazard ratios are shown for each BNP range.