Simple, Low-cost Tests May Help Identify Undiagnosed COPD in China
Low-cost screening involving a questionnaire and a breathing test may help identify patients with undiagnosed chronic obstructive pulmonary disease (COPD), a study conducted in China has found. Among the combinations tested, the Chinese symptom-based questionnaire (C-SBQ) combined with microspirometry — a test that measures how much air a patient…