Baseline Characteristics for LEUVEN participants stratified for the clinical impact of airflow obstruction.
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Abbreviations are the same as in Table 1. Percentages are column percentages. The 366 asymptomatic smokers are population-based participants of the Dutch-Belgian lung cancer screening trial (NELSON). None of them were previously diagnosed with COPD. However, 148 subjects (40.4%) were found to have an obstructive lung function (based on FEV1/FVC1/FVC>0.70). Five patients with end-stage COPD were not actively listed for lung transplantation because of their current smoking status at inclusion.
创建时间：
2015-12-02
