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  • Title: [The quality of life of patients with chronic obstructive pulmonary disease and correlated factors].
    Author: Zhou YM, Wang C, Yao WZ, Chen P, Kang J, Huang SG, Chen BY, Wang CZ, Ni DT, Wang XP, Wang DL, Liu SM, Lü JC, Zheng JP, Zhong NS, Ran PX.
    Journal: Zhonghua Jie He He Hu Xi Za Zhi; 2009 Apr; 32(4):248-52. PubMed ID: 19576035.
    Abstract:
    OBJECTIVE: To evaluate the quality of life (QOL) of patients with chronic obstructive pulmonary disease (COPD) and correlated factors. METHODS: Data of 20 245 patients with COPD were collected from the cross-sectional survey of COPD, which was conducted between 2002 and 2004 in urban and rural areas of Beijing, Shanghai, Guangdong, Liaoning, Tianjin, Chongqing and Shanxi for residents aged over 40 years old. The recruited populations were interviewed with questionnaire and tested for spirometry. The quality of life was assessed with 12-item short-form health survey questionnaire (SF-12). Those with less than 70% of post-bronchodilator FEV(1)/FVC were identified as having COPD. The differences between groups in SF-12 scores converted by rank were compared using general linear model. Stepwise multiple linear regressions were conducted to study the main determinants of QOL. RESULTS: Compared to subjects without COPD, those with COPD had impaired QOL (56 +/- 7 vs. 57 +/- 6 in mental component scores, F = 4.442, P < 0.05; 46 +/- 9 vs. 50 +/- 6 in physical component scores, F = 453.960, P < 0.05). Among COPD patients, the mental component score was associated with scores of dyspnea, BMI, comorbidities, sex and living areas, while the physical component score was associated with scores of dyspnea, severity of COPD, comorbidities, exposure to dusts/gases/fumes, sex, age, educational level and previous diagnosis of respiratory diseases (all P < 0.05). CONCLUSIONS: The QOL in patients with COPD was impaired and associated with scores of dyspnea, severity of COPD, comorbidities and BMI. Improvement of dyspnea, nutritional support, prevention of comorbidities and keeping away from risk factors may improve the QOL in COPD patients.
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