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Related Experiment Video

Updated: Jan 19, 2026

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Spirometry to increase smoking cessation rate: A systematic review.

Elisabeth Westerdahl1,2, Kjell Ola Engman3, Mats Arne4,5

  • 1Centre for Assessment of Medical Technology in Örebro, Region Örebro County, Örebro, Sweden.

Tobacco Induced Diseases
|September 14, 2019
PubMed
Summary

Providing spirometry results, including lung age, alongside smoking cessation counseling shows mixed effectiveness. While some studies indicate improved quit rates, overall evidence is limited, suggesting further research is needed for this smoking cessation strategy.

Keywords:
preventionsmoking cessationspirometry

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Area of Science:

  • Pulmonology
  • Public Health
  • Behavioral Medicine

Background:

  • Tobacco use is a significant public health concern requiring effective cessation strategies.
  • Spirometry, particularly lung age estimation, may visually demonstrate smoking-related lung impairment to motivate cessation.
  • Its utility in enhancing smoking cessation counseling for asymptomatic smokers is under investigation.

Purpose of the Study:

  • To systematically review randomized controlled trials (RCTs) assessing the efficacy of incorporating spirometry results into smoking cessation counseling.
  • To compare smoking cessation rates between individuals receiving counseling with spirometry feedback versus counseling alone.

Main Methods:

  • A systematic literature search was conducted across multiple databases (PubMed, Medline, Cochrane Library, etc.).
  • Included studies were randomized controlled trials (RCTs) involving adult smokers and smoking cessation interventions.
  • Seven RCTs met the inclusion criteria after screening 946 initial studies.

Main Results:

  • Two of the seven included RCTs demonstrated a significant increase in smoking cessation rates when spirometry results (as lung age) were provided with counseling.
  • The remaining five studies found no significant difference in cessation rates between the intervention and control groups.
  • Five ongoing RCTs were identified, indicating potential future updates to this systematic overview.

Conclusions:

  • The evidence regarding the effectiveness of spirometry feedback in enhancing smoking cessation rates is currently limited and shows mixed results.
  • While some studies suggest a benefit, particularly when using lung age, more research is needed to confirm its role in smoking cessation interventions.
  • Further studies, including ongoing RCTs, will contribute to a clearer understanding of this approach.