JBJS | Outcome Instruments: Rationale for Their Use

The Journal of Bone & Joint Surgery, Volume 91, Issue Supplement 3

Design, Conduct, and Interpretation of Nonrandomized Orthopaedic Studies--A Practical Approach | May 01, 2009

Outcome Instruments: Rationale for Their Use

Rudolf W. Poolman, MD, PhD¹; Marc F. Swiontkowski, MD²; Jeremy C.T. Fairbank, MD, FRCS³; Emil H. Schemitsch, MD, FRCSC⁴; Sheila Sprague, MSc⁵; Henrica C.W. de Vet, PhD⁶

¹ Department of Orthopaedic Surgery, Onze Lieve Vrouwe Gasthuis, Postbus 95500, 1090 HM Amsterdam, The Netherlands. E-mail address: poolman@trauma.nl
² Department of Orthopaedic Surgery, University of Minnesota Medical Center, 2450 Riverside Avenue South, Minneapolis, MN 55454
³ Department of Orthopaedic Surgery, Nuffield Orthopaedic Centre, Windmill Road, Headington, Oxford OX3 7LD, United Kingdom
⁴ Division of Orthopaedics, Department of Surgery, St. Michael's Hospital, 55 Queen Street East, Suite 800, Toronto, ON M5C 1R6, Canada
⁵ Department of Clinical Epidemiology and Biostatistics, McMaster University, 293 Wellington Street North, Suite 110, Hamilton, ON L8L 8E7, Canada
⁶ EMGO Institute, VU University Medical Center, Van der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands

The Journal of Bone & Joint Surgery. 2009; 91:41-49 doi:10.2106/JBJS.H.01551

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Abstract

The number of outcome instruments available for use in orthopaedic observational studies has increased dramatically in recent years. Properly developed and tested outcome instruments provide a very useful tool for orthopaedic research. Criteria have been proposed to assess the measurement properties and quality of health-status instruments. Unfortunately, not all instruments are developed with use of strict quality criteria. In this article, we discuss these quality criteria and provide the reader with a tool to help select the most appropriate instrument for use in an observational study. We also review the steps for future use of outcome instruments, including the standardization of their use in orthopaedic research.

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Topics

osteoarthritis ; pain ; quality of life ; observational studies ; criterion validity ; construct validity ; content validity ; health status ; knee region ; linguistics

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These activities have been planned and implemented in accordance with the Essential Areas and policies of the Accreditation Council for Continuing Medical Education (ACCME) through the joint sponsorship of the American Academy of Orthopaedic Surgeons and The Journal of Bone and Joint Surgery, Inc. The American Academy of Orthopaedic Surgeons is accredited by the ACCME to provide continuing medical education for physicians.

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