F2 and histiocytic sarcoma: When investigating the correlation between early coagulation function indicators and the prognosis of HS patients, previous clinical studies found that within 24 h of a patient’s admission to the hospital, the capability of predicting their prognosis by the three indicators platelet count (PLT), prothrombin time (PT) and activated partial thromboplastin time (APTT) decreased one by one [23], in contrast to this study.