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The diagnostic accuracy of a portable handheld spirometer in early detecting the severity of pulmonary function disorder

The diagnostic accuracy of a portable handheld spirometer in early detecting the severity of pulmonary function disorder

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR-DDD-17013664
Enrollment
Unknown
Registered
2017-12-04
Start date
2014-10-01
Completion date
Unknown
Last updated
2017-12-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

chronic obstructive pulmonary disease

Interventions

Gold Standard:1. Data from the Elite DX spirometer was regarded as standard value. 2. According to the GOLD guidelines, the severity of airway obstruction was classified into 4 stages: FEV1/FVC<70%, i
Index test:IQspiro-Handheld&#32
spirometer

Sponsors

The Sun Yat-sen Memorial Hospital of Sun Yat-sen University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
14 Years to 81 Years

Inclusion criteria

Inclusion criteria: Aged older than 14 years old male and female; Any patients be able to cooperate to conduct pulmonary function test.

Exclusion criteria

Exclusion criteria: 1. Can not cooperate with doctor or investigator; 2. Can not comply with trial arrangement; 3. Ask to withdrew the test; 4. Get worse and cannot perform test before testing.

Design outcomes

Primary

MeasureTime frame
forced expiratory volume in 1 second/ forced vital capacity (FEV1/FVC);—

Secondary

MeasureTime frame
forced vital capacity (FVC);forced expiratory volume in 1 second (FEV1);forced expiratory flow during the middle half of FVC (FEF25-75%);peak expiratory flow (PEF);—

Countries

China

Contacts

Public ContactXiangshao Fang

The Sun Yat-sen Memorial Hospital of Sun Yat-sen University

fangxsh@sysu.edu.cn+86 13609085678

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026