Chronic obstructive pulmonary disease
Conditions
Interventions
Gold Standard:Pulmonary function test: FEV1/FVC=12%, absolute value>=200mL.
Index test:Hull 
Sponsors
Shanghai Tongji Hospital
Eligibility
Sex/Gender
All
Age
40 Years to 85 Years
Inclusion criteria
Inclusion criteria: 1.Aged 40 to 85 years; 2.According to the Global Initiative for Chronic Obstructive Lung Disease (GOLD)20, the ratio of FEV1 to forced vital capacity (FEV1/FVC) after bronchodilators will be used <70% are diagnosed as COPD; 3.No pulmonary heart disease, or pulmonary heart disease but the primary disease is COPD; 4.If COPD is stable with other diseases, other diseases are in a relatively stable period; 5.Volunteer to participate and sign informed The patient with the consent form.
Exclusion criteria
Exclusion criteria: 1.Patients with primary diseases with more serious other organs; 2.Patients with mental illness or other reasons who cannot cooperate with the collection of syndrome information.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Hull airway reflux questionnaire; | — |
Countries
China
Contacts
Public ContactWen Siwan
Shanghai Tongji Hospital
Outcome results
None listed