Validation of a diagnosis-agnostic symptom questionnaire for asthma and/or COPD.

ABSTRACT:

Background

The Respiratory Symptoms Questionnaire (RSQ) is a novel, four-item patient-reported diagnosis-agnostic tool designed to assess the frequency of respiratory symptoms and their impact on activity, without specifying a particular diagnosis. Our objective was to examine its validity in patients with asthma and/or chronic obstructive pulmonary disease (COPD).

Methods

Baseline data were randomly sampled from patients who completed the RSQ in the NOVELTY study (ClinicalTrials.gov: NCT02760329). The total sample (n=1530) comprised three randomly selected samples (n=510 each) from each physician-assigned diagnostic group (asthma, asthma+COPD and COPD). The internal consistency and structural validity of the RSQ were evaluated using exploratory and confirmatory factor analy

SUBMITTER: Karlsson N 

PROVIDER: S-EPMC7861031 | biostudies-literature | 2021 Jan

REPOSITORIES: biostudies-literature