Assessment of dyspnea in asthma: validation of The Dyspnea-12.

ABSTRACT:

Background

Dyspnea is a prominent symptom in asthma. The Dyspnea-12 (D-12), an instrument that quantifies breathlessness using 12 descriptors that tap the physical and affective aspects, has shown promise for the measurement of dyspnea in cardiorespiratory disease.

Objective

We report the results of a study designed to test the validity and reliability of the D-12 in a population of patients with asthma.

Methods

This cross-sectional study included 102 patients with asthma. Subjects completed the D-12, Hospital Anxiety and Depression scale, St. George's Respiratory Questionnaire (SGRQ), and Medical Research Council scale. Confirmatory factor analysis confirmed the two-component structure of the D-12 (i.e., seven items that tap the physical aspects of breathlessness and

SUBMITTER: Yorke J 

PROVIDER: S-EPMC3149863 | biostudies-literature | 2011 Aug

REPOSITORIES: biostudies-literature