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Introduction
The Dyspnoea‐12 (D‐12) is a brief, easy to complete questionnaire for measuring breathlessness.
Objectives
To facilitate further efforts to measure dyspnoea in real clinical settings, the authors aimed to develop and validate a Japanese version of the D‐12 and also compare the D‐12 with the Baseline Dyspnea Index (BDI) and the Activity component of the St. George's Respiratory Questionnaire...
Background It has been debated whether treatment should be started early in subjects with mild to moderate COPD. An impaired health status score was associated with a higher probability of being diagnosed with COPD as compared with undiagnosed COPD. Purpose To investigate the health status in a healthy working population, to determine reference scores for healthy non-smoking subjects, and to investigate...
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