In the severe group, patients treated with or without IVIG showed no statistically significant differences in age, gender, concurrent hypertension, diabetes mellitus, hepatitis, white blood cell count, neutrophil count, lymphocyte count, platelet count, PT, APTT, d‐dimer, ALT, AST, ALB, GLU, CK, and CK‐MB levels. Here, GPT is linked to hepatitis A virus infection.