The Association of Preoperative Hematocrit and Transfusion with Mortality in Patients Undergoing Elective Non-cardiac Surgery

摘要

Patients with anemia frequently undergo surgery, as it is unclear at what threshold clinicians should consider delaying surgery for preoperative anemia optimization. The primary objective of this study was to determine whether there is an association of varying degrees of anemia and transfusion with 30-day mortality.