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Sara Cerezo



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    P2.10 - Prevention and Tobacco Control (ID 176)

    • Event: WCLC 2019
    • Type: Poster Viewing in the Exhibit Hall
    • Track: Prevention and Tobacco Control
    • Presentations: 1
    • Moderators:
    • Coordinates: 9/09/2019, 10:15 - 18:15, Exhibit Hall
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      P2.10-02 - Smoking Habit in Lung Cancer in Spain   (ID 732)

      10:15 - 18:15  |  Author(s): Sara Cerezo

      • Abstract
      • Slides

      Background

      Tobacco is the leading cause of lung cancer. The fight against the smoking habit is essential and should be continuous, to detect the national situation that makes it possible to design health care policies against this consumption. To do so, the Grupo Español de Cáncer de Pulmón (Spanish Lung Cancer Group) made this analysis within the context of the Thoracic Tumor Registry (TTR).

      Method

      The TTR is an observational cohort multicenter study in Spain. The study is conducted according to the Declaration of Helsinki and approved by the institutional review board of each participating site. The registry was approved by the Spanish Drug Agency, as a non-post-authorization, non-interventional study.

      Result

      We collected data from 6,600 patients diagnosed of lung cancer from 58 different Spanish hospital sites.

      A total of 3,039 patients were former smokers (46%), 2,611 were active smokers (39%) and only 866 (12%) patients stated to be non-smokers; the status in 2% is unknown. If we make a comparison by gender regarding the presence of this habit, large differences (p-valor < 0.001) are observed, with a greater number of non-smokers in women (37 % vs. 4.5% in males), while the percentage of former smokers is much higher in the males (53.4% vs. 27.9% in women) and a minor difference in active smokers (42.1% vs. 34.4% in women).

      Significant differences were observed in the study on the distribution of the smoking habit by gender and year of diagnosis. An increase is also observed in the last two years regarding the percentage of patients who were active smoked, both for the total population as well as for each one of the two genders separately. The increase is greater among the women and, also, the number of women who are active smokers is greater in recent years.

      Mean age of onset of the smoking habit is 18.2 years. Significant differences are observed between both genders (p-valor < 0.001), with a mean age of initiation of 17.9 years in the men (95%CI 17.6-18.2 years) and 19.2 years in the women (95%CI 18.5-19.8 years). Significant differences between Regional Communities were also found in the mean age at onset of the habit, with much lower levels in the Valencian Community (16.6 years) or Navarra (16.9 years) regarding other communities, such as the Region of Murcia (22.9 years) or the Balearic Islands (21.6 years)

      Conclusion

      Lung cancer in Spain is associated to tobacco consumption in 85% of the cases diagnosed. Consumption has shown an increase in both genders in recent years and is especially rapid and worrisome in women. Anti-smoking campaigns should be reactivated and the causes of the regional differences analyzed in depth

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