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Figure 4 One-Year Mortality Rates According to NYHA Functional Class, LVEF, NT-proBNP, and Levels of GDF-15
The number of deaths per number of patients is shown above each bar. For analyses according to LVEF and NT-proBNP, the median values of the study population were used to create subgroups of comparable size. The p values were obtained by simple Cox regression analysis. LVEF = left ventricular ejection fraction; other abbreviations as in Figures 1 and 3.
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