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Fig. 4 | BMC Pediatrics

Fig. 4

From: YKL-40 levels are associated with disease severity and prognosis of viral pneumonia, but not available in bacterial pneumonia in children

Fig. 4

The correlation between decreased percentage of serum levels of YKL-40 after 5th days and diseased severity. a. The correlation analysis between severity class and decreased percentage (spearman r = − 0.68, P < 0.0001). The negative correlation was verified by the spearman correlation analysis. X axis represents the severity of childhood pneumonia. Non-severe pneumonia = 1, severe pneumonia = 2, very severe pneumonia = 3. b. The correlation analysis between severity class and median length of hospital stay (r2 = 0.75, P < 0.0001). The hospitalization stays period was negatively correlated with decreased extent after admission. P < 0.05 defined as significant statistic difference

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