Investigation of time profile of FEV1 across the onset of potential COPD: a retrospective cohort study using medical checkup data in Japan

Investigation of time profile of FEV1 across the onset of potential COPD: a retrospective cohort study using medical checkup data in Japan

This study compared the time profile of FEV 1 after COPD diagnosis among rapid decliners, slow decliners, and sustainers in the year of COPD diagnosis. COPD subjects were identified from the annual medical checkup records of Hitachi, Ltd., employees in Japan (April 1998-March 2019). Subjects were ca...

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Veröffentlicht in:Scientific reports 2023-04, Vol.13 (1), p.5454-5454, Article 5454
Hauptverfasser: Suzuki, Masaru, Matsumoto, Isao, Ishida, Masato, Horie, Yoshiharu, Ban, Hideyuki, Takeuchi, Wataru, Nakagawa, Shunki, Nakagawa, Tohru, Kitamura, Tetsuhisa, Muro, Shigeo
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Sprache:eng
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692/1807/1809
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Airway management
Asthma
Body mass index
Chronic obstructive pulmonary disease
Cohort analysis
Consent
Decision trees
Diagnosis
Employees
Environmental health
Humanities and Social Sciences
Investigations
Machine learning
Medicine
multidisciplinary
R&D
Random variables
Research & development
Respiratory function
Review boards
Risk factors
Science
Science (multidisciplinary)
Software
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Zusammenfassung:This study compared the time profile of FEV 1 after COPD diagnosis among rapid decliners, slow decliners, and sustainers in the year of COPD diagnosis. COPD subjects were identified from the annual medical checkup records of Hitachi, Ltd., employees in Japan (April 1998-March 2019). Subjects were categorized into 3 groups (rapid decliner [decrease of FEV 1  ≥ 63 mL/year], slow decliner [
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-023-32205-3