Assessing the content validity of patient-reported outcome measures in adult myositis: A report from the OMERACT myositis working group.

ABSTRACT:

Objective

To investigate the content validity of several patient-reported outcome measures (PROMs) in patients with idiopathic inflammatory myopathies (IIM).

Methods

Seven individual PROM instruments were selected by the Outcome Measures in Rheumatology (OMERACT) Myositis Working Group relating to the following domains: pain, fatigue, physical function and physical activity. Twenty patients from the Johns Hopkins Myositis Center were selected for one-on-one face-to-face or phone interviews for cognitive interviewing of individual PROMs to assess comprehension and content validity. Additionally, patients were asked if they thought muscle symptoms, an area originally identified in qualitative studies, were encapsulated by the other four domains.

Results

The majority of 

SUBMITTER: Esfandiary T 

PROVIDER: S-EPMC7646936 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature