Core Outcome Measures in Effectiveness Trials

Defining an International Standard Set of Outcome Measures for Patients With Hip or Knee Osteoarthritis: Consensus of the International Consortium for Health Outcomes Measurement Hip and Knee Osteoarthritis Working Group

General Information

Abstract:
Objective

To define a minimum Standard Set of outcome measures and case-mix factors for monitoring, comparing, and improving health care for patients with clinically diagnosed hip or knee osteoarthritis (OA), with a focus on defining the outcomes that matter most to patients.

Methods

An international working group of patients, arthroplasty register experts, orthopedic surgeons, primary care physicians, rheumatologists, and physiotherapists representing 10 countries was assembled to review existing literature and practices for assessing outcomes of pharmacologic and nonpharmacologic OA therapies, including surgery. A series of 8 teleconferences, incorporating a modified Delphi process, were held to reach consensus.

Results

The working group reached consensus on a concise set of outcome measures to evaluate patients’ joint pain, physical functioning, health-related quality of life, work status, mortality, reoperations, readmissions, and overall satisfaction with treatment result. To support analysis of these outcome measures, pertinent baseline characteristics and risk factor metrics were defined. Annual outcome measurement is recommended for all patients.

Conclusion

We have defined a Standard Set of outcome measures for monitoring the care of people with clinically diagnosed hip or knee OA that is appropriate for use across all treatment and care settings. We believe this Standard Set provides meaningful, comparable, and easy to interpret measures ready to implement in clinics and/or registries globally. We view this set as an initial step that, when combined with cost data, will facilitate value-based health care improvements in the treatment of hip and knee OA.

Aim:
To define a minimum Standard Set of outcome measures and case-mix factors for monitoring, comparing, and improving health care for patients with clinically diagnosed hip or knee osteoarthritis (OA), with a focus on defining the outcomes that matter most to patients.

Authors:
Ola Rolfson, Stephanie Wissig, Lisa van Maasakkers, Caleb Stowell, Ilana Ackerman, David Ayers, Thomas Barber, Thami Benzakour, Kevin Bozic, Nicolaas Budhiparama, James Caillouette, Philip G. Conaghan, Leif Dahlberg, Jennifer Dunn, John Grady-Benson, Said A. Ibrahim, Sally Lewis, Henrik Malchau, Mojieb Manzary, Lyn March, Nader Nassif, Rob Nelissen, Noel Smith, and Patricia D. Franklin

Publication

Journal:
Arthritis Care and Research
Volume:
68
Issue:
11
Pages:
1631 - 1639
Year:
2016
DOI:
Further Study Information

Date:
Funding source(s):
Hoag Orthopedic Institute, Connecticut Joint Replacement Institute, Harvard Pilgrim Health Care.

Health Area

Disease Category
Rheumatology

Disease Name
Osteoarthritis

Target Population

Age Range
-

Sex
Unknown


Nature / type of Intervention
Unknown

Method(s)

Delphi process
Literature review
Teleconferences

Stakeholders Involved

Clinical experts
Consumers (patients)
Service providers
Service users

Study Type

COS for practice

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