Journal article
Trends in colorectal cancer incidence rates in New Zealand, 1981-2004
AB Shah, D Sarfati, T Blakely, J Atkinson, ER Dennett
ANZ Journal of Surgery | WILEY | Published : 2012
Abstract
Background: Incidence rates of colorectal cancer (CRC) in New Zealand rank among the highest worldwide. Internationally, there has been evidence of a shift in colon cancer from left- to right-sided. The objective of this study was to determine trends in left- and right-sided colon and rectal cancers incidence by sex, age and ethnicity. Methods: Using datasets created by linking data from the New Zealand Cancer Registry to the census data, we analysed a total of 47694 CRCs from 1981 to 2004. Cancers were divided into right-sided colon (cecum to the splenic flexure); left-sided colon (descending and sigmoid colon); and rectal (rectosigmoid junction and rectum). Results: Left- and right-sided c..
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Funding Acknowledgements
We thank Amit Shah, MD, MBA for his comments and Lavinia Tan for her statistical assistance. CancerTrends is funded by the Health Research Council of New Zealand and the Ministry of Health as part of the Health Inequalities Research Program. Ankit Shah was supported by a Global Health Program Travel Grant from the Department of Public Health and Community Medicine, Tufts University School of Medicine.