Core Outcome Measures in Effectiveness Trials

Development of a Standard Set of Outcome Domains and Proposed Measures for Chronic Obstructive Pulmonary Disease in Primary Care Physical Therapy Practice in the Netherlands: a Modified RAND/UCLA Appropriateness Method

General Information

Abstract:
Background: Standardization of measures in a common set opens the opportunity to learn from differences in treatment outcomes which can be used for improving the quality of care. Furthermore, a standard set can provide the basis for development of quality indicators and is therefore useful for quality improvement and public reporting purposes. The aim of this study was to develop a standard set of outcome domains and proposed measures for patients with COPD in Dutch primary care physical therapy practice, including a proposal to stratify patients in subgroups.
Material and methods: A consensus-driven modified RAND-UCLA appropriateness method was conducted with relevant stakeholders (patients, physical therapists, researchers, policy makers and health insurers) in Dutch primary physical therapy care in eight steps: (1) literature search, (2) first online survey, (3) patient interviews, (4) expert meeting, resulting in a concept standard set and methods to identify subgroups’ (5) consensus meeting, (6) expert meeting (7) second online survey and (8) final approval of an advisory board resulting of the approved standard set.
Results: Five outcome domains were selected for COPD: physical capacity, muscle strength, physical activity, dyspnea and quality of life. A total of 21 measures were rated and discussed. Finally, eight measures were included, of which four mandatory measures: Characteristics of practices and physical therapists, Clinical COPD Questionnaire (CCQ) for quality of life, Global Perceived Effect (GPE) for experience, 6-mins Walk Test (6-MWT) for physical capacity; two conditional measures: Hand-Held Dynamometer (HHD) (with Microfet™) for Quadriceps strength, Medical Research Council Dyspnea (MRC) for monitoring dyspnea; and two exploratory measures: Accelerometry for physical activity, and the Assessment of Burden of COPD tool (ABC). To identify subgroups, a method described in the Dutch standard of care from the Lung Alliance was included.
Conclusion: This study described the development of a standard set of outcome domains and proposed measures for patients with COPD in primary care physical therapy. Each measure was accepted for relevance and feasibility by the involved stakeholders. The set is currently used in daily practice and tested on validity and reliability in a pilot for the development of quality indicators.

Authors:
Arie C Verburg,1 Simone A van Dulmen,1 Henri Kiers,2,3 Jan HL Ypinga,4 Maria WG Nijhuis-van der Sanden,1 Philip J van der Wees1

1Radboud University Medical Center, Radboud Institute for Health Sciences, IQ Healthcare, Nijmegen, Netherlands; 2Utrecht University of Applied Sciences, Institute of Human Movement Studies, Utrecht, Netherlands; 3Association for Quality in Physical Therapy (SKF), Zwolle, Netherlands; 4CZ Healthcare Insurance, Tilburg, Netherlands

Publication

Journal:
International Journal of Chronic Obstructive Pulmonary Disease
Volume:
14
Issue:
2649–2661
Pages:
-
Year:
2019
DOI:
Further Study Information

Date:
Funding source(s):
Funding support for this study was provided by Dutch health insurer CZ.

Health Area

Disease Category
Lungs & airways

Disease Name
Chronic obstructive pulmonary disease (COPD)

Target Population

Age Range
-

Sex
Either


Nature / type of Intervention
Physiotherapy

Method(s)

Consensus meeting
Interview
Literature review
Semi structured discussion
Survey

A consensus-driven modified RAND-UCLA appropriateness method was conducted with relevant stakeholders (patients, physical therapists, researchers, policy makers and health insurers) in Dutch primary physical therapy care in eight steps: (1) literature search, (2) first online survey, (3) patient interviews, (4) expert meeting, resulting in a concept standard set and methods to identify subgroups' (5) consensus meeting, (6) expert meeting (7) second online survey and (8) final approval of an advisory board resulting of the approved standard set.


Stakeholders Involved

Clinical experts
Consumers (patients)
Other
Policy makers
Researchers

Study Type

COS for practice

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