Letters

Peak expiratory flow is a prognostic indicator in elderly people

BMJ 1997; 314 doi: https://doi.org/10.1136/bmj.314.7080.605 (Published 22 February 1997) Cite this as: BMJ 1997;314:605
  1. Reijo Tilvis, Professor of geriatricsa,
  2. Jaakko Valvanne, Physician in chiefa,
  3. Sirpa Sairanen, Research fellowa,
  4. Anssi Sovijärvi, Professor of clinical physiologya
  1. a Helsinki University Central Hospital, FIN-00290 Helsinki, Finland

    Editor-D J Hole and colleagues report that impaired lung function, as measured by the forced expiratory volume in one second, was an important clinical indicator of the risk of death in men and women aged 45-64 at the baseline of their study.1 When using peak expiratory flow rate as an indicator of lung function in elderly populations we have obtained similar results.2 3 As a part of a large prospective study4 we report here the peak expiratory flow of random people in four elderly birth …

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