Risk of depression in patients with chronic obstructive pulmonary disease and its determinants
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Open Access
- 1 May 2002
- Vol. 57 (5), 412-416
- https://doi.org/10.1136/thorax.57.5.412
Abstract
Background: Although it has been repeatedly suggested that chronic obstructive pulmonary disease (COPD) is associated with depression, no conclusion has so far been reached. A study was undertaken to investigate whether depression occurs more often in patients with COPD than in controls. The demographic and clinical variables associated with depression were also determined. Methods: Patients with a registered diagnosis of obstructive airway disease in general practice, aged ≥40 years, forced expiratory volume in 1 second (FEV1) 1 reversibility ≤12%, FEV1/VC ≤ predicted – 1.64 × SD, and a history of smoking were selected. A random sample of subjects without a registered diagnosis of asthma or COPD aged 40 years or older acted as controls. Depression was assessed using the Centers for Epidemiologic Studies Depression (CES-D) scale. Results: In patients with severe COPD (FEV1 1 % predicted, respiratory symptoms and physical impairment were significantly associated with the scores on the CES-D scale. Conclusion: Patients with severe COPD are at increased risk of developing depression. The results of this study underscore the importance of reducing symptoms and improving physical functioning in patients with COPD.Keywords
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