The relationship between peak expiratory flow rate and acute exacerbation in patients with chronic obstructive pulmonary disease

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20230107007

Enrollment

102

Registered

2023-01-07

Start date

2019-05-20

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

Peak expiratory flow rate (PEFR) is widely used to assess the severity of symptoms of individual COPD patients, particularly during the routine follow-up. Chronic obstructive pulmonary disease Exacerbation Physiotherapy care

Interventions

Retrospective descriptive study

Screening

Observational

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Participants who had confirmed diagnosis of COPD according to the Global Initiative for Obstructive Lung Disease (GOLD) criteria (forced expiratory volume in 1 s (FEV1)/forced vital capacity (FVC) <70% that were referred to Thammasat university hospital were included in this study.

Exclusion criteria

Exclusion criteria: Participants who could not track their medical records.

Design outcomes

Primary

Measure	Time frame
Peak expiratory flow rate During registered to the hospital L/min,The occurrence of AECOPD During registered to the hospital Yes or no	—

Secondary

Measure	Time frame
modified medical research council dyspnea scale During registered to the hospital Questionnaire	—

Countries

Thailand

Contacts

Public ContactNoppawan Charususin

Faculty of Allied Health Sciences, Thammasat University

noppawan.c@allied.tu.ac.th029869213

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026