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Handheld flow meter improves COPD detectability regardless of using a conventional questionnaire: A split-sample

Misuzu Fujita1, Kengo Nagashima2, Sho Takahashi3

  • 1Department of Public Health, Chiba University Graduate School of Medicine, Chiba, Japan.

Respirology (Carlton, Vic.)
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PubMed
Summary
This summary is machine-generated.

A handheld flow meter (HFM) significantly improves chronic obstructive pulmonary disease (COPD) detection. Combining HFM with questionnaires offers comparable benefits to HFM alone in COPD screening.

Keywords:
chronic obstructive pulmonary diseasedecision analysisprimary carescreeningvalidation studies

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Area of Science:

  • Pulmonary Medicine
  • Diagnostic Tools
  • Public Health

Background:

  • Chronic Obstructive Pulmonary Disease (COPD) screening requires effective tools.
  • The utility of handheld flow meters (HFM) combined with questionnaires for COPD detection is not well-established.

Purpose of the Study:

  • To evaluate the benefit of using a handheld flow meter (HFM) in screening for COPD.
  • To compare the diagnostic performance of HFM alone versus HFM combined with a symptom questionnaire.

Main Methods:

  • 2008 participants aged ≥40 years in Isumi City, Japan, were recruited.
  • Two point systems were developed: HFM alone (sHFM) and HFM with International Primary Care Airway Group questionnaire (IPAG) (sIPAG + HFM).
  • Split-sample validation was employed to assess predictive performance.

Main Results:

  • Both sHFM and sIPAG + HFM showed higher net benefits and specificity than the IPAG score alone.
  • No significant difference in sensitivity or specificity was observed between sHFM and sIPAG + HFM.
  • Decision curve analysis indicated comparable performance between the two HFM-based models.

Conclusions:

  • Handheld flow meter (HFM) use offers significant advantages for COPD detection.
  • HFM-based screening is effective, whether used alone or in conjunction with symptom questionnaires.