Burden of Oral Cancer in Asia from 1990 to 2019: Estimates from the Global Burden of Disease 2019 Study
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Background: Oral cancer (OC) poses a threat to human health and imposes a heavy burden on countries. We assessed the burden imposed by OC on Asian nations from 1990 to 2019 based on gender and age.
Methods: We collected oral cancer data from the 2019 Global Burden of Disease study from 1990 to 2019 in 45 Asian countries and territories. Annual case data and age-standardised rates (ASRs) were used to investigate the incidence, mortality, and disability-adjusted life-years (DALYs) of OC based on age and gender from 1990 to 2019 in 45 Asian countries and territories. Estimated annual percentage changes (EAPCs) were used to assess incidence rate, mortality, and trends in DALYs.
Results: The age-standardised incidence rate (ASIR) of OC increased from 1990 to 2019 with an EAPC of 0.32 (95% CI, 0.19-0.46), and the age-standardised death rate of OC remained stable at an EAPC of 0.08 (95%CI, from -0.06 to 0.21). The age-standardised DALYs of OC decreased at an EAPC of -0.16 (95%CI, from -0.30 to -0.02). The proportion of patients older than 70 years increased yearly in terms of incidence, mortality, and DALYs from 1990 to 2019. Of the DALYs, smoking was the main contributor in the Asian regions, and the largest contributor to DALYs in most Asian regions. Other contributors were alcohol use and chewing tobacco.
Conclusion: Although the burden of OC was declining in Asia, South Asia remained the region with the highest burden. OC caused the greatest burden in Pakistan, Taiwan China, and India. Therefore, measures should be taken to reduce the burden of oral cancer in high-risk regions and countries with attributable risk factors.
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