Fig. 2From: Critical combination of initial markers for predicting refractory Mycoplasma pneumoniae pneumonia in children: a case control studySerum concentrations of the biomarkers in groups I-V. There are increased the concentrations of LDH A(a), IL-18 (b), and ferritin (f) compared with them of the other groups. *P < 0.05 compared with the other groups. Group I: general MP pneumonia; Group II: refractory MP pneumonia; Group III: general MP pneumonia + viral pneumonia; Group IV: viral pneumonia; Group V: controlBack to article page