Bronchial asthma
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Patients with asthma (mild, persistent to severe, persistent) (2) >= 20 years of age (3) Patients in Step 2-4 in Asthma Prevention and Management Guideline 2015 (4) Patients who voluntary provide written informed consent form after having been fully informed about and understand the requirements of study participation (5) Patients who have no problem of communication
Exclusion criteria
Exclusion criteria: (1) Patients with apparent chronic obstructive pulmonary disease (COPD) (2) Patients with respiratory tract infection (3) Patients with diseases that affect the reply to the questionnaire (4)Patients who were judged unsuitable for enrollment in the study by the investigator
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Reliability and Validity of the questionnaire | — |
Secondary
| Measure | Time frame |
|---|---|
| Study of sensitivity and responsiveness Study of relationship to existing questionnaires Study of cut-off values | — |
Countries
Japan
Contacts
Mebix, Inc. Research promotion division