Geo-epidemiological reporting and spatial clustering of the 10 most prevalent cancers in Iran

  • Ebrahim Babaee Department of Community Medicine, Preventive Medicine and Public Health Research Centre, Iran University of Medical Sciences, Tehran, Iran, Islamic Republic of.
  • Gholamreza Roshandel Golestan Research Centre of Gastroenterology and Hepatology, Golestan University of Medical Sciences, Gorgan, Iran; Iranian National Population-Based Cancer Registry Secretariat, Cancer Office, Deputy of Health, Ministry of Health, Tehran, Iran, Islamic Republic of.
  • Meysam Olfatifar Gastroenterology and Liver Diseases Research Centre, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran, Islamic Republic of.
  • Arash Tehrani-Banihashemi Department of Community Medicine, Preventive Medicine and Public Health Research Centre, Iran University of Medical Sciences, Tehran, Iran, Islamic Republic of.
  • Arezou Ashaari Department of Community Medicine, Preventive Medicine and Public Health Research Centre, Iran University of Medical Sciences, Tehran, Iran, Islamic Republic of.
  • Marzieh Nojomi | mnojomi@iums.ac.ir Department of Community Medicine, Preventive Medicine and Public Health Research Centre, Iran University of Medical Sciences, Tehran, Iran; Department of Sociology and Anthropology, Nipissing University, North Bay, ON, Canada.

Abstract

Cancer is a problem of both global and local concern. We determined the geo-epidemiological and spatial distribution of the 10 most common cancers in Iran. We used the data of the Iranian Cancer Registry for the year 2014 analysing the prevalence of 112,131 registered cancer cases with the aim of detecting potential geographical underlying causes. The geographic distribution of cancers is reported as standardized incidence rates at the provincial level considering risk with respect to sex and age. A geographical information systems (GIS) approach based on Anselin Local Moran’s index method was used to map clusters and spatial autocorrelation patterns. The mean age of the patients was 55.6 (±17.8) and 61.7 (±18.2) for females and males, respectively, in the database which showed 46.1% (n=51,665) of all cases to be female. Analysis of the spatial distribution of cancers showed significant differences among the different provinces. Stomach and breast cancers were the most prevalent cancers in men and females, respectively. The highest incidence rates of stomach cancer were found in Ardabil and Zanjan provinces, with 48.38 and 48.08 per 100,000 population, respectively, while Tehran and Yazd provinces had the highest incidences of breast cancer, 51.0 and 47.5 per 100,000 population, respectively. Strong clustering patterns for stomach and breast cancers were identified in the north-western provinces and in Semnan Province, respectively. These patterns indicate a diversity of geo-epidemiological contributing factors to cancer incidence in Iran.

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Published
2021-05-11
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Original Articles
Keywords:
Cancer, epidemiology, spatial analysis, cluster analysis, Iran.
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How to Cite
Babaee, E., Roshandel, G., Olfatifar, M., Tehrani-Banihashemi, A., Ashaari, A., & Nojomi, M. (2021). Geo-epidemiological reporting and spatial clustering of the 10 most prevalent cancers in Iran. Geospatial Health, 16(1). https://doi.org/10.4081/gh.2021.904