PMID: 2483912Sep 1, 1989Paper

[Descriptive epidemiology of malignant tumors of the colon and rectum].

Annali di igiene : medicina preventiva e di comunità
F La RosaR Vitali

Abstract

This paper examines patterns and trends of colon and rectal cancer in different countries and in Italy. Incidence and mortality rates of colorectal cancer vary widely in the world. High rates are characteristic of highly developed countries in North America, northern and western Europe. The lowest rates are found in Asia, Africa and most Latin American countries. The most recent incidence rates for colon cancer from cancer registries around the world published in "Cancer Incidence in Five Continents, 1982" range from 0.6 cases per 100,000 in Dakar, Senegal to 32.3 in Connecticut, USA for males and from 0.7, always in Dakar, to 27.4 among the Japanese population of Bay Area, USA. The Italian cancer registry for Varese, shows a rate of 19.9 for males and 16.9 for females. The incidence rates for cancer of the rectum range from 1.5 per 100,000 in Dakar to 22.6 in the North West Territory and Yukon, Canada. For females the highest rates, 13.9, are in Israel (born in Europe or America) and the lowest always in Dakar, 1.0. The Varese rates are 15.7 and 9.1 for males and females respectively. Regression analysis shows that between incidence rates of colon and rectal cancer, divided by sex, there is a strict correlation. The sex ratios...Continue Reading

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