A modeling approach to derive baseline risk estimates for GRADE recommendations: Concepts, development, and results of its application to the American Society of Hematology 2019 guidelines on prevention of venous thromboembolism in surgical hospitalized patients

Affiliations

• ¹ Department of Health Research Methods, Evidence, and Impact, McMaster University, Canada.
• ² Department of Medicine, Dalhousie University, Canada.
• ³ Department of Medicine and Department of Pathology & Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, USA.
• ⁴ Department of Internal Medicine, American University of Beirut, Lebanon.
• ⁵ Department of Health Research Methods, Evidence, and Impact, McMaster University, Canada; School of Medicine, Universidad de los Andes, Colombia.
• ⁶ Lillian S. Wells Department of Neurosurgery, University of Florida, USA.
• ⁷ Division of Hematology and Oncology, Department of Medicine, University of Florida, USA.
• ⁸ Trauma and Acute Care Surgery, Penn Medicine Lancaster General Health, USA.
• ⁹ Department of Urology, University of Helsinki and Helsinki University Hospital, Finland,; Department of Surgery, South Karelian Central Hospital, Lappeenranta, Finland.
• ¹⁰ Department of Orthopedic Surgery, University of Pittsburgh Medical Center, USA.
• ¹¹ Urology Section, Minneapolis VA Health Care System, USA; Department of Urology, University of Minnesota, USA.
• ¹² Department of Health Research Methods, Evidence, and Impact, McMaster University, Canada; Institute for Evidence in Medicine, Medical Center & Faculty of Medicine, University of Freiburg, Freiburg, Germany. Electronic address: schuneh@mcmaster.ca.