Clinical characteristics and prognostic factors of patients with Philadelphia-negative myeloproliferative neoplasm accelerated/blast phase

Objective To evaluate the clinical characteristics and prognostic factors of patients with Philadelphianegative myeloproliferative neoplasm-accelerated phase/blast phase(MPN-AP/BP).Methods A total of 67patients with MPN-AP/BP were enrolled from February2014 to December 2021 at the Institute of Hematology and Blood Diseases Hospital,Chinese Academy of Medical Sciences.Their clinical features and prognostic factors were analyzed retrospectively.