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Pneumonologie

, Volume 147, Issue 1, pp 46–51 | Cite as

Age and smoking dependency of the single-breath oxygen test in healthy subjects

  • Dan C. StĂnescu
Article
  • 17 Downloads

Abstract

Normal values for the standardized single breath oxygen test of Comroe and Fowler [2] were obtained in 106 males (38 smokers) and 48 females (non-smokers). There was a significant positive relationship between age and nitrogen gradient in male and female non-smokers, as well as in male smokers. No difference in the slope of the nitrogen gradient with age was observed between male non-smokers and females. The slope was steeper in male smokers than in non-smokers. The nitrogen gradient was significantly higher in smokers over 35 years of age than in non-smokers.

Keywords

Oxygen Public Health Nitrogen Healthy Subject Positive Relationship 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 1972

Authors and Affiliations

  • Dan C. StĂnescu
    • 1
  1. 1.Cardiopulmonary Laboratory, Department of Occupational DiseasesHospital Colentina and Institute of Hygiene and Public HealthBucharestRomania

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