GPT and Pleural effusion: Under the univariable analysis, the three severity groups were similar in gender (P = 0.888), age (P = 0.903), presence of vomiting (P = 0.187), cough (P = 0.425), rash (P = 0.124), and DBP (P = 0.084) but were difference according to the presence of hepatomegaly, headache, myalgia, abdominal pain, pleural effusion, petechiae, bleeding episodes, SBP, pulse pressure, hematocrit, hemoglobin, white cell count, lymphocytes, neutrophils, platelets, AST, ALT, PT, and PTT (Table 1).