Fig. 2From: Compliance to perioperative anticoagulation protocols in elderly patients undergoing elective orthopedic procedures: a retrospective observational cohort study on 548 patientsEvaluation criteria of compliance to perioperative anticoagulant management protocol. PAM: perioperative anticoagulation management DOAC: Direct oral anticoagulants, INR: International Normalized Ratio, LMWH: Low-molecular-weight heparin, VKA: Vitamin K antagonistBack to article page