Core Outcome Measures in Effectiveness Trials

Using the International Classification of Functioning, Disability, and Health to identify outcome domains for a core outcome set for aphasia: a comparison of stakeholder perspectives

General Information

Abstract:
Purpose: This study synthesised the findings of three separate consensus processes exploring the perspectives of key stakeholder groups about important aphasia treatment outcomes. This process was conducted to generate recommendations for outcome domains to be included in a core outcome set for aphasia treatment trials.

Materials and methods: International Classification of Functioning, Disability, and Health codes were examined to identify where the groups of: (1) people with aphasia, (2) family members, (3) aphasia researchers, and (4) aphasia clinicians/managers, demonstrated congruence in their perspectives regarding important treatment outcomes. Codes were contextualized using qualitative data.

Results: Congruence across three or more stakeholder groups was evident for ICF chapters: Mental functions; Communication; and Services, systems, and policies. Quality of life was explicitly identified by clinicians/managers and researchers, while people with aphasia and their families identified outcomes known to be determinants of quality of life.

Conclusions: Core aphasia outcomes include: language, emotional wellbeing, communication, patient-reported satisfaction with treatment and impact of treatment, and quality of life. International Classification of Functioning, Disability, and Health coding can be used to compare stakeholder perspectives and identify domains for core outcome sets. Pairing coding with qualitative data may ensure important nuances of meaning are retained.

Implications for rehabilitation

The outcomes measured in treatment research should be relevant to stakeholders and support health care decision making. Core outcome sets (agreed, minimum set of outcomes, and outcome measures) are increasingly being used to ensure the relevancy and consistency of the outcomes measured in treatment studies.

Important aphasia treatment outcomes span all components of the International Classification of Functioning, Disability, and Health. Stakeholders demonstrated congruence in the identification of important outcomes which related Mental functions; Communication; Services, systems, and policies; and Quality of life.

A core outcome set for aphasia treatment research should include measures relating to: language, emotional wellbeing, communication, patient-reported satisfaction with treatment and impact of treatment, and quality of life.

Coding using the International Classification of Functioning, Disability, and Health, presents a novel methodology for the comparison of stakeholder perspectives to inform recommendations for outcome constructs to be included in a core outcome set. Coding can be paired with qualitative data to ensure nuances of meaning are retained.

Aim:
This study synthesised the findings of three separate consensus processes exploring the perspectives of key stakeholder groups about important aphasia treatment outcomes. This process was conducted to generate recommendations for outcome domains to be included in a core outcome set for aphasia treatment trials.

Authors:
Sarah J. Wallace, Linda Worrall, Tanya Rose & Guylaine Le Dorze

Publication

Journal:
Disability and Rehabilitation
Volume:
Issue:
Pages:
1 - 10
Year:
2017
DOI:
Further Study Information

Date:
Funding source(s):
This work was supported by an Australian Postgraduate Award (APA) scholarship awarded to Sarah J. Wallace.

Health Area

Disease Category
Neurology

Disease Name
Aphasia

Target Population

Age Range
18 - 100

Sex
Either


Nature / type of Intervention
Rehabilitation

Method(s)

Literature review

The current study is informed by three previous consensus processes conducted with people with aphasia and their family members, aphasia clinicians/managers, and aphasia researchers.


Stakeholders Involved

Unknown

Study Type

Unknown

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