Fig. 2

Correlation heatmap of continuous variables in MP positive group. MP, Mycoplasma pneumoniae; WBC, white blood cell count; CRP, C-reactive protein; PCT, procalcitonin; IL6, interleukin-6. A positive correlation between CRP and WBC (0.46). A positive correlation between CRP and WBC (0.46), CRP and Age (0.29).