Chronic Obstructive Pulmonary Disease (COPD)
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Inclusion criteria for the healthy control group: no history of smoking, no exposure to other risk factors, no respiratory symptoms such as cough, sputum production, or shortness of breath, and no history of other pulmonary diseases or major surgical trauma.
Exclusion criteria
Exclusion criteria: Exclusion criteria: known to have other pulmonary diseases, such as tuberculosis, bronchiectasis, or a history of lung tumors; history of major surgical trauma to the lungs; cognitive impairment that prevents cooperation in completing questionnaires and smart mask examinations.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The sensitivity of respiratory spectrometry in the diagnosis of COPD;The specificity of respiratory spectrometry in the diagnosis of COPD ; | — |
Secondary
| Measure | Time frame |
|---|---|
| The mean absolute percentage error of the predicted FVC;The mean absolute percentage error of the predicted FEV1;The mean absolute percentage error of the predicted FEV1/FVC;The mean absolute percentage error of the predicted MMEF; | — |
Countries
China
Contacts
Department of Respiratory and Critical Care Medicine,Fuzhou University Affiliated Provincial Hospital