chronic obstructive pulmoriary disease
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: The inclusion criteria of COPD group were as follows: (1) age = 40 years old and = 80 years old, male or female; (2) clinical COPD diagnosis was clear, and pulmonary function test; (3) sign informed consent form and ensure test compliance. The inclusion criteria of the healthy control group were as follows: (1) age = 40 years old and = 80 years old; (2) male or female; (3) pulmonary function test showed no obvious abnormality; (4) according to the clinical diagnostic criteria of the disease, all kinds of chronic diseases were excluded, that is, there was no diagnosis of any acute disease within three months, and had not received any treatment, and the health status assessment scale (H20 scale) was not less than 80.
Exclusion criteria
Exclusion criteria: Exclusion criteria of COPD group: (1) patients with bronchial asthma, bronchiectasis, pulmonary tuberculosis, pulmonary fibrosis, pulmonary volume reduction or pneumonectomy, acute heart failure; (2) patients with severe heart, brain, liver and renal dysfunction; (3) patients with mental disorders; (4) patients with hearing impairment, language impairment, cognitive impairment. (5) past medical history suggests laryngeal diseases (such as neck surgery, thyroidectomy, cerebrovascular accidents, etc.); (6) pregnant and lactating women; (7) mother tongue is not Chinese; (8) unable to cooperate with researchers due to subjective and objective reasons. The exclusion criteria of the healthy control group were: (1) pregnant and lactating women; (2) mother tongue is not Chinese; (3) unable to cooperate with researchers due to subjective and objective reasons.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Specificity;Precision;acoustic features;Sensitive; | — |
Countries
China