None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: - 19 years old or older - less than 80 years old - Patients scheduled to perform pulmonary function test on the day of outpatient visit - Shortness of breath of 2 degrees or less according to the American Thoracic Society (the degree of shortness of breath when walking on flat ground for long) - Those who consented to the study
Exclusion criteria
Exclusion criteria: - Persons suffering from acute respiratory disease (pneumonia, acute bronchitis, acute exacerbation of underlying lung disease) - Those who have had worsening of underlying respiratory symptoms within 2 months - Patients with hemoptysis within 2 months - Patients with acute cardiovascular disease - Dyspnea of 3 degrees or higher according to the American Thoracic Society (patients who are short of breath after walking about 100 meters on flat ground) - Subjects who cannot give consent according to their free will
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Forced vital capacity;Forced expiratory volume 1 secend;Peak expiratory flow | — |
Secondary
| Measure | Time frame |
|---|---|
| Coefficients of variation of method errors;95% Limits of agreements;Minimal detectable change | — |
Countries
Korea, Republic of
Contacts
Daejeon University