Evaluation of TPO-RA treatment in patients with ES and in a cohort of patients with ITP. (A) PLT counts during treatment in ES. (B) Response rates at various time points in ES. (C) Comparison of outcomes of ES with those of primary ITP. Response rates in ITP were 77% at month +1, 80% at month +3, 88% at month +6, and 92% at month +12.