Fig. 3From: Critical combination of initial markers for predicting refractory Mycoplasma pneumoniae pneumonia in children: a case control studySerum concentrations of the biomarkers in groups A and B. Five groups subdivided into Group A (including Groups I, III, IV, and V) and Group B (Group II), according to whether there was a response to macrolide treatment. There are increased the concentration of LDH (a), IL-18 (d), ferritin (f) compared with Group A. * P < 0.05 compared with group ABack to article page