chronic obstructive pulmonary disease
Conditions
Interventions
Case series:Nil
Sponsors
The First Affiliated Hospital of China Medical University
Eligibility
Sex/Gender
All
Age
40 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Aged = 40 years; 2. Clinical diagnosis of chronic obstructive pulmonary disease / chronic bronchitis / emphysema; 3. All people in the groups voluntarily joined this study with informed censents.
Exclusion criteria
Exclusion criteria: 1. The patients who participated in other clinical studies in last 3 months; 2. The patients who with other respiratory diseases, such as lung cancer, tuberculosis, pneumonia and bronchiectasis; 3 The investigators judge the patient couldn't understand the study process or the patient who could nott answer the questionnaire.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence;risk factors; | — |
Secondary
| Measure | Time frame |
|---|---|
| the prognosis of disease, and mortality rate;clinical phenotype; | — |
Countries
China
Contacts
Public ContactJian Kang
Institute of Respiratory Disease, The First Affiliated Hospital of China Medical University, Shen Yang City, China
Outcome results
None listed