The global, regional, and national burden of stomach cancer in 195 countries, 1990-2017: a systematic analysis for the Global Burden of Disease study 2017

Mohammadian-Hafshejani, Abdollah and Etemadi, Arash and Safiri, Saeid and Sepanlou, Sadaf G. and Ikuta, Kevin and Bisignano, Catherine and Shakeri, Ramin and Amani, Mohammad and Fitzmaurice, Christina and Nixon, Molly R. (2020) The global, regional, and national burden of stomach cancer in 195 countries, 1990-2017: a systematic analysis for the Global Burden of Disease study 2017. Lancet Gastroenterology & Hepatology, 5 (1). ISSN 2468-1253

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Background Stomach cancer is a major health problem in many countries. Understanding the current burden of stomach cancer and the differential trends across various locations is essential for formulating effective preventive strategies. We report on the incidence, mortality, and disability-adjusted life-years (DALYs) due to stomach cancer in 195 countries and territories from 21 regions between 1990 and 2017. Methods Estimates from GBD 2017 were used to analyse the incidence, mortality, and DALYs due to stomach cancer at the global, regional, and national levels. The rates were standardised to the GBD world population and reported per 100 000 population as age-standardised incidence rates, age-standardised death rates, and age-standardised DALY rates. All estimates were generated with 95% uncertainty intervals (UIs). Findings In 2017, more than 1.22 million (95% UI 1.19-1.25) incident cases of stomach cancer occurred worldwide, and nearly 865 000 people (848 000-885 000) died of stomach cancer, contributing to 19.1 million (18.7-19.6) DALYs. The highest age-standardised incidence rates in 2017 were seen in the high-income Asia Pacific (29.5, 28.2-31.0 per 100 000 population) and east Asia (28.6, 27.3-30.0 per 100 000 population) regions, with nearly half of the global incident cases occurring in China. Compared with 1990, in 2017 more than 356 000 more incident cases of stomach cancer were estimated, leading to nearly 96 000 more deaths. Despite the increase in absolute numbers, the worldwide age-standardised rates of stomach cancer (incidence, deaths, and DALYs) have declined since 1990. The drop in the disease burden was associated with improved Socio-demographic Index. Globally, 38.2% (21.1-57.8) of the age-standardised DALYs were attributable to high-sodium diet in both sexes combined, and 24.5% (20.0-28.9) of the age-standardised DALYs were attributable to smoking in males. Interpretation Our findings provide insight into the changing burden of stomach cancer, which is useful in planning local strategies and monitoring their progress. To this end, specific local strategies should be tailored to each country's risk factor profile. Beyond the current decline in age-standardised incidence and death rates, a decrease in the absolute number of cases and deaths will be possible if the burden in east Asia, where currently almost half of the incident cases and deaths occur, is further reduced. Copyright (C) 2019 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY 4.0 license. Keywords:GASTRIC-CANCER; HELICOBACTER-PYLORI; UNITED-STATES; STATISTICS; MORTALITY; RISK; EPIDEMIOLOGY; TERRITORIES; PREVALENCE; GUIDELINES

Item Type: Article
Subjects: WI Digestive System
Divisions: Faculty of Health > Department of Epidemiology
Depositing User: zeynab . bagheri
Date Deposited: 05 Feb 2020 07:59
Last Modified: 05 Feb 2020 07:59

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