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. 2021 Jul 8;2021:5537275. doi: 10.1155/2021/5537275

Figure 2.

Figure 2

The box plots and the scatter plots of NT-proBNP levels with PSI classes or CT scores. (a) The box plot showing significant difference in NT-proBNP levels across PSI classes (P < 0.001). (b) The scatter plot showing the positive correlation between the natural logarithm of NT-proBNP level and PSI score (rS = 0.396, P=0.001). (c) The box plot showing a significant difference in NT-proBNP levels across CT score tertiles (P=0.005). (d) The scatter plot showing that the natural logarithm of NT-proBNP level was significantly associated with CT score (rS = 0.471, P < 0.001). NT-proBNP: N-terminal pro-B-type natriuretic peptide; PSI: pneumonia severity index; CT: computed tomography.