Epidemiological survey by questionnaire to evaluate symptoms associated with peripheral airway dysfunction in adult asthma
Not Applicable
- Conditions
- Bronchial asthma
- Registration Number
- JPRN-UMIN000007490
- Lead Sponsor
- Hiroshima Observational Research Group for Peripheral Airway Dysfunction
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete: follow-up complete
- Sex
- All
- Target Recruitment
- 400
Inclusion Criteria
Not provided
Exclusion Criteria
-Patients who have lower respiratory tract disease except bronchial asthma and asthma complicated with COPD -Patients who have a history of lung surgery -Other patients deemed unsuitable by the investigator or subinvestigator
Study & Design
- Study Type
- Observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Relationship between indices of peripheral airway condition monitored by IOS and answers of asthma questionnaire (comprised of ACQ, AHQ-Japan and some additional questions).
- Secondary Outcome Measures
Name Time Method Relationship between each measured index except IOS and answers of questionnaire and relationship of variation of these between 2 observations.