Peak expiratory flow in the standing and sitting positions is equivalent in adults: a cross-over study

Teng CL 1 , Chia KM 2 , D'Cruz J 3 , Gomez CA 4 , Muthusamy N 5 , Saadon NS 6 Show all authors , Jali NM 7 , Loh LC 8

Affiliations 

  • 1 Department of Family Medicine, International Medical University, Jalan Rasah, Seremban, Malaysia
  • 2 Klinik Kesihatan Sentul, Kuala Lumpur, Malaysia
  • 3 Poliklinik Gomez, Ampang, Malaysia
  • 4 Poliklinik Gomez, Puchong Jaya, Malaysia
  • 5 Klinik Kesihatan Tanglin, Kuala Lumpur, Malaysia
  • 6 Klinik Kesihatan Gombak Setia, Gombak, Malaysia
  • 7 Klinik Kesihatan Sungai Besar, Sungai Besar, Malaysia
  • 8 School of Postgraduate Studies, International Medical University, Kuala Lumpur, Malaysia
Fam Pract, 2020 10 19;37(5):637-640.
PMID: 32417893 DOI: 10.1093/fampra/cmaa048

Abstract

BACKGROUND: It is uncertain whether peak flow measurement is best done in the standing or sitting position.

METHODS: In this cross-over study, study participants were randomized to perform the initial peak expiratory flow (PEF) measurement in either standing or sitting position. The highest of three readings in each position were compared using paired t-test. A mean difference of

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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