Correlates of COPD and chronic bronchitis in nonsmokers: data from a cross-sectional study

摘要: PURPOSE Our objective was to assess the prevalence of chronic bronchitis and obstructive pulmonary disease (COPD) their correlates among a Lebanese nonsmoker group. MATERIAL AND METHODS A cross-sectional study conducted between October 2009 September 2010, using multistage cluster sample throughout Lebanon including residents aged 40 years above with no exclusion criteria. Pre- postbronchodilator spirometry measurements were performed carbon monoxide level measured in exhaled air. COPD defined classified according Global Initiative for Chronic Obstructive Lung Disease guidelines or lower limit normal (forced expiratory volume 1 second/forced vital capacity < 5th percentile healthy population having same age sex). by declaration morning cough expectorations more than 3 months year over 2 individuals spirometry. RESULTS Out 2201 individuals, 732 never-smokers: 25 (3.4%) them had COPD, 86 (11.75%) fulfilled definition bronchitis. Correlates included childhood respiratory disease, house heated diesel, older age. On other hand, diseases, living southern versus regions, heating home gas, age, number smokers at work, height. CONCLUSION substantial percentage nonsmoking may exhibit COPD. The significant mentioned should be taken into consideration order reduce risk developing such debilitating diseases.