While modern medicine evolves continuously, evidence-based research methodology remains: how register studies should be interpreted and appreciated

Affiliations

• ¹ Department of Orthopaedics, Institute of Clinical Sciences, The Sahlgrenska Academy, University of Gothenburg, 431 80, Gothenburg, Sweden.
• ² Cleveland Clinic Sports Health Center, Garfield Heights, OH, USA.
• ³ Division of Orthopaedic Surgery, Department of Surgery, McMaster University, Hamilton, ON, Canada.
• ⁴ Department of Orthopedic Surgery, University of Pittsburgh, Pittsburgh, PA, USA.
• ⁵ Department of Orthopaedics, Sahlgrenska University Hospital, Mölndal, Sweden.
• ⁶ Department of Orthopaedics, Sahlgrenska University Hospital, Mölndal, Sweden. kristian@samuelsson.cc.
• ⁷ Department of Orthopaedics, Institute of Clinical Sciences, The Sahlgrenska Academy, University of Gothenburg, 431 80, Gothenburg, Sweden. kristian@samuelsson.cc.