Figure 2.

A-B: Correlation between sum score and days from illness onset to initial CT; and days from illness onset to the most obvious pulmonary opacities were observed (CT_peak). (R denotes Pearson correlation coefficient with age and gender as covariates). C-D: Differences in mean values of sum score and disease duration to initial CT, CT_peak and the CT began to show decreased extent/density of the opacities (CT_decrease), between the MP and non-MP groups. Note that at the timepoint of CT_decrease, 41 patients in MP group and 40 patients in non-MP group were included. The bar height indicates the mean, and the line on top of the bar represents the standard deviation. Asterisk indicates a significant difference (^∗P < .05, ^∗∗P < .01).