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Evidence-based Orthopaedic Surgery: What Is Evidence Without the Outcomes?

Dr. Suk is Assistant Professor and Director, Orthopaedic Trauma Service, University of Florida-Shands, Jacksonville, FL. Dr. Norvell is Clinical Epidemiologist, Spectrum Research, Inc, Tacoma, WA. Dr. Hanson is Director, AO Clinical Investigation and Documentation, Dübendorf, Switzerland. Dr. Dettori is Clinical Epidemiologist, Spectrum Research, Inc. Dr. Helfet is Professor, Department of Orthopedic Surgery, Cornell University Medical College, New York, NY.

Dr. Helfet or a member of his immediate family has received research or institutional support from and has stock or stock options held in Synthes. None of the following authors or a member of their immediate families has received anything of value from or owns stock in a commercial company or institution related directly or indirectly to the subject of this article: Dr. Suk, Dr. Norvell, Dr. Hanson, and Dr. Dettori.

Reprint requests: Dr. Norvell, Spectrum Research, Inc., Suite 203, 705 South 9th Street, Tacoma, WA 98405.

With the increased emphasis on evidence-based medicine in orthopaedics, the surgeon is faced with the challenge of evaluating the effectiveness of various treatment interventions. Health care authorities are also interested in measuring competing interventions, but out of concern for controlling costs. The success or failure of an intervention is often determined based on treatment outcomes. There are many outcomes measures available in the orthopaedic literature, and it is not uncommon for different measures to produce conflicting results. The orthopaedic surgeon must have the ability to accurately evaluate an outcomes measure to determine the value of a specific intervention. Similarly, selecting the appropriate outcomes measure for research or clinical purposes is an important decision that may have far-reaching implications on reimbursement and determining treatment success. To best select outcomes measures and to select the appropriate treatment for each patient, the orthopaedic surgeon needs to understand the recommended contents of a quality instrument, the difference between clinician-based and patient-reported outcomes, and how to evaluate outcomes reported in the literature.