Fig 3. Survival analysis according to Acute Physiology and Chronic Health Evaluation (APACHE) II scores among patients with severe fever with thrombocytopenia syndrome (SFTS).
(A) Kaplan–Meier 30-day survival analysis after admission of patients with severe fever with thrombocytopenia syndrome (SFTS) with and without steroid therapy according to SFTS severity before propensity score matchinga. (B) Kaplan–Meier 30-day survival analysis of patients with severe fever with thrombocytopenia syndrome (SFTS) with and without steroid therapy according to SFTS severity after propensity score matchingb. a. Twenty-two patients had missing data on the initial APACHE II score or 30-day survival time. b. Four patients had missing data on 30-day survival time.