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Figure 3 Correlation Between NT-proBNP and Glomerular Filtration Rate According to Subgroup and Mortality
The linear regression equation for the entire population is ln(NT-proBNP) = 5.61 + 0.01 (glomerular filtration rate) and shown in the graph (r = 0.104, R2 = 0.011, p = 0.038 by Pearson correlation). Linear regression equations for subgroups did not differ significantly. The vertical line represents the mean glomerular filtration rate and the horizontal line represents the mean ln(NT-proBNP) level. Abbreviations as in Figures 1 and 2.
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