The Effect of Cigarette Smoking on Lung Capacity in Active, Previous, and Passive student smokers

The Effect of Cigarette Smoking on Lung Capacity in Active, Previous, and Passive student smokers


  • Journal title: GMJ Medicine
  • ISSN: 2626-3041 (online)
  • Publisher: GMJ Medical Press, LLC
  • Country of publisher: germany
  • Date added to EuroPub: 2018/Dec/28

Subject and more

  • LCC Subject Category: Medicine
  • Publisher's keywords: FEV/FVC, Ex-smokers, Smokers, Non-smokers, Test
  • Language of fulltext: english
  • Full-text formats available: PDF


    Danil Hammoudi, Adekunle Sanyaolu, Dina Adofo, Ivan Antoine



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Background: Cigarette smoke predisposes a person to a lot of preventable diseases; this study aimed at comparing Lung Function in active, previous and non-smokers in students using the ratio of Forced Vital Capacity, to Forced Expiratory Volume measurement in one second called the Tiffeneau-Pinelli Index. Methods: A cross-section of 77 students from the St. James School of Medicine, Anguilla campus in the Caribbean who are active smokers, previous smokers or non-smokers were randomly sampled with consent using questionnaire based study and measurement of FEV/FVC ratio was done. Result: The results showed that the mean FEV/FVC ratio for Smokers was lower than that for non-smokers and Ex-smokers in both test 1 and 2. The FEV/FVC ratio by sex was higher in females for both test 1 and 2. There were significant differences among the races with Caucasians having the lowest mean value of 86.04 and 85.88 for test 1 and 2 respectively. Higher ratio of more than 0.7 for smokers, ex-smokers and non-smokers was recorded for mean FEV/FVC ratio. Conclusion: The FEV/FVC ratio was lower in smokers compared to non-smokers and Ex-smokers though not statistically significant.

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