Health status and prognosis of COPD patients in relation to the FEV1/FVC ratio
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Whether COPD should be diagnosed using the lower limit of normal (LLN) or a fixed FEV1/FVC ratio 0.05. Moreover, comparable prevalence of exacerbations and hospital admissions were found during the subsequent three years (31.7 vs 37.7%, and 4.8 vs 2.6%, respe... ...
