Effect of COPD severity and comorbidities on the result of the PHQ-9 tool for the diagnosis of depression: results from the COSYCONET cohort study

Abstract The diagnosis of depression, a frequent comorbidity of chronic obstructive pulmonary disease (COPD), is often supported by questionnaires, such as the Patient Health Questionnaire 9 (PHQ-9). It is unknown to which extent its single questions are affected by the clinical characteristics of C...

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Main Authors: Sarah Marietta von Siemens, Rudolf A. Jörres, Jürgen Behr, Peter Alter, Johanna Lutter, Tanja Lucke, Sandra Söhler, Tobias Welte, Henrik Watz, Claus F. Vogelmeier, Franziska Trudzinski, Winfried Rief, Britta Herbig, Kathrin Kahnert, for the COSYCONET study group
Format: Article
Language:English
Published: BMC 2019-02-01
Series:Respiratory Research
Subjects:
Online Access:http://link.springer.com/article/10.1186/s12931-019-0997-y