Establishment on normal predictive values about multi-frequency oscillation technique.

Establishment on normal predictive values about multi-frequency oscillation technique. - Predictive value of multi-frequency FOT

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000012923

Enrollment

1000

Registered

2014-02-01

Start date

2013-04-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

healthy subject

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Age 18 or more. Normal spirometric function. (%FVC>=80%, FEV1/FVC>=70%) 2) Age 6 or more, and less than 18. Normal findings in ausculation and interview.

Exclusion criteria

Exclusion criteria: Patients with respiratory disease. Patients who had acute respiratory disease within recent 30 days. Pantients who have wheezing once or more per month.

Design outcomes

Primary

Measure	Time frame
R5, R20, X5, Fres	—

Countries

Japan

Contacts

Public ContactHajime Kurosawa

Tohoku University Department of Occupational Health

kurosawa-thk@m.tohoku.ac.jp022-717-7874

Outcome results