Validity and Reliability Study for Clinical Use of Portable Hand-held Spirometer-in Patients with Chronic Pulmonary Disease

Not Applicable

Completed

• Conditions: Diseases of the respiratory system

• Registration Number: KCT0007736
• Lead Sponsor: Daejeon University

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Completion: 2022-08-31
• Last Update Posted: 24 October 2022

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 50

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

- 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

Study & Design

• Study Type: Interventional Study
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Forced vital capacity;Forced expiratory volume 1 secend;Peak expiratory flow

Secondary Outcome Measures

Name	Time	Method
Coefficients of variation of method errors;95% Limits of agreements;Minimal detectable change