Increasing Trend in Colorectal Cancer Incidence in the Southeast of Iran 2003-2013: A Population Based Cancer Registry Study

Rates based on age-adjusted incidence of colorectal cancers over a 10-year period in Kerman, the biggestprovince of Iran, were estimated from 2003 to 2013. Data were obtained from the population-based cancerregistry unit of Kerman University of Medical Sciences (CR-KMU). Information included age, sex, city, ICD-Oand year of registry. Our trend analyses cover 3.91% of the Iranian population. The data set comprised casesdiagnosed from 2003 to 2013.The population of over 20 years was interpolated using 2003 and 2010 censuses.Then, truncated age-adjusted incidence rates were calculated. Increase was noted from 2003-2009 to 2010-2013for 731 cancer cases considered in the analysis. The increases was most prominent in 2009. Totally, the frequencyof the cancer was greater in males. Moreover, calculating truncated age-adjusted incidence rate indicated thatthe most prevalent age of colorectal incidence was in the 50-59 year age group except in 2007-2008 and 2012-2013, when greatest incidences occurred in people aged 60-69 years. Our data revealed that the incidence ratesof colorectal cancer have increased over the past decade in our region of Iran.