• Turk J Med Sci · Apr 2020

    Smokeless tobacco use and risk of oral cavity cancer

    • Shah Zeb Khan, Ahmed Farooq, Misbah Masood, Abubaker Shahid, Irfan Ullah Khan, Hasan Nisar, and Ismat Fatima.
    • Institute of Nuclear Medicine and Oncology (INMOL), Lahore, Pakistan
    • Turk J Med Sci. 2020 Apr 9; 50 (1): 291-297.

    Background/Aim/AimSmokeless tobacco has been associated with oral cavity cancer for several decades. The incidence of oral cavity cancer is higher in some parts of the world especially South and South-East Asia including Pakistan. The aim of current study was to evaluate the risk of oral cavity cancer among smokeless tobacco users in our country.Materials And Methods And MethodsA case-control study was conducted between November 2016 and September 2017. Patients diagnosed with oral cavity cancer receiving treatment were included as cases and the attendants of various cancer patients visiting the hospital during the study period were included in the study as controls. Odds ratios (OR) and 95% confidence intervals (CI) were calculated and all reported P-values were considered significant at < 0.05.ResultsThe crude OR for the “ever smokeless tobacco users” among cases and controls came out to be 4.98 (95%CI; 2.76–9.01). The OR for snuff users among cases and controls was 4.82 (95%CI; 2.37–9.80) and that for betel leaf users was 4.42 (95%CI; 1.66–11.91) after adjusting for smoking and age.ConclusionOur study provided strong evidence for snuff and betel leaf to be independent risk factors for oral cavity cancer.This work is licensed under a Creative Commons Attribution 4.0 International License.

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