Registry for Chronic Obstructive Pulmonary Disease With Anxiety and Depression in China
Registry for Chronic Obstructive Pulmonary Disease With Anxiety and Depression in China
Anxiety and depression are common comorbidities of chronic obstructive pulmonary disease
 (COPD). However, the exact prevalence is not known in China. COPD patients with anxiety and
 depression tend to have more severe symptoms and worse prognosis, but the related evidences
 are not strong enough. The study aim to investigate the prevalence and long-term outcome of
 anxiety and depression in COPD.
Inclusion Criteria:

 -  Stable chronic obstructive pulmonary disease (COPD) patients

 Exclusion Criteria:

 -  Patients with bronchial asthma or other severe pulmonary diseases or having received
 pulmonary surgery in 6 months

 -  Patients with tumor history during past 5 years

 -  Patients with COPD exacerbations during past 4 weeks

 -  Participants in clinical trials

 -  Patients in pregnancy or breastfeeding

 -  Patients unable to complete questionaire independently

 -  Patients older than 80 years old

 -  Patients receiving long-term domiciliary oxygen therapy