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Article

Geographic and Socioeconomic Disparity of Gastric Cancer Patients in Canada

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Division of Dermatology, McGill University, Montreal, QC H4A 3J1, Canada
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Division of Dermatology, University of Ottawa, Ottawa, ON K1N 6N5, Canada
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Division of Clinical Epidemiology, McGill University, Montreal, QC H4A 3J1, Canada
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Division of Gastroenterology, McGill University, Montreal, QC H4A 3J1, Canada
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Author to whom correspondence should be addressed.
Curr. Oncol. 2021, 28(3), 2052-2064; https://doi.org/10.3390/curroncol28030190
Received: 8 April 2021 / Revised: 11 May 2021 / Accepted: 18 May 2021 / Published: 28 May 2021
(This article belongs to the Section Gastrointestinal Oncology)
Gastric cancer is the 5th most common malignancy worldwide, representing ~5–10% of all new cancer cases. Although its incidence is declining, it is estimated that 1 in 98 Canadians will develop gastric cancer in their lifetime. The epidemiology and distribution of gastric cancer throughout Canada, however, remains poorly understood. A retrospective analysis of demographic data across Canada between 1992 and 2010 was performed using 2 population-based cancer registries. The incidence of gastric cancer was examined at the levels of provinces, cities, and postal codes. In addition, 43,955 patients were diagnosed with gastric cancer in Canada between 1992 and 2010; 66% were male and the average age of diagnosis was 68.4 years. The age-adjusted incidence rate was 5.07 cases per 100,000 individuals per year. The incidence decreased over the study period by 30%. High incidence rates were identified in rural areas of Newfoundland and Labrador, New Brunswick, and Quebec. Our study found a significant association between gastric cancer incidence rates and lower socioeconomic status, as well as Hispanic ethnicity. This is the first study to provide a comprehensive analysis of the incidence of gastric carcinoma in Canada, identifying high-risk populations that may benefit from increased primary and secondary prevention. View Full-Text
Keywords: gastric cancer; gastric adenocarcinoma; geographic clustering; epidemiology; incidence in Canada gastric cancer; gastric adenocarcinoma; geographic clustering; epidemiology; incidence in Canada
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MDPI and ACS Style

Cattelan, L.; Ghazawi, F.M.; Le, M.; Lagacé, F.; Rahme, E.; Zubarev, A.; Sasseville, D.; Litvinov, I.V.; Waschke, K.A.; Netchiporouk, E. Geographic and Socioeconomic Disparity of Gastric Cancer Patients in Canada. Curr. Oncol. 2021, 28, 2052-2064. https://doi.org/10.3390/curroncol28030190

AMA Style

Cattelan L, Ghazawi FM, Le M, Lagacé F, Rahme E, Zubarev A, Sasseville D, Litvinov IV, Waschke KA, Netchiporouk E. Geographic and Socioeconomic Disparity of Gastric Cancer Patients in Canada. Current Oncology. 2021; 28(3):2052-2064. https://doi.org/10.3390/curroncol28030190

Chicago/Turabian Style

Cattelan, Leila; Ghazawi, Feras M.; Le, Michelle; Lagacé, François; Rahme, Elham; Zubarev, Andrei; Sasseville, Denis; Litvinov, Ivan V.; Waschke, Kevin A.; Netchiporouk, Elena. 2021. "Geographic and Socioeconomic Disparity of Gastric Cancer Patients in Canada" Curr. Oncol. 28, no. 3: 2052-2064. https://doi.org/10.3390/curroncol28030190

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