Healthy population with age greater than 20 years old impulse oscillometry, Thai, Adults, Reference
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Healthy subjects aged equal or greater than 20 years old
Exclusion criteria
Exclusion criteria: 1. Unable to perform spirometry 2. Unable to perform IOS 3. Spirometry not met American Thoracic Society (ATS)/European Respiratory Society (ERS) 2005 standard 4. IOS not met standard recommended according to the ERS standard 5. History of smoking greater than 5 pack-years 6. Subjects with a history of asthma, other chronic lung disease or current acute respiratory infection 7. Obesity: BMI > 30 kg/m2
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Reference equation for male At the beginning of study Equation of IOS indices in cmH2O including age, height, body weight, and sex | — |
Secondary
| Measure | Time frame |
|---|---|
| Reference equation for female At the beginning of study Equation of IOS indices in cmH2O including age, height, body weight, and sex | — |
Countries
Thailand
Contacts
Chiang Mai University