By Age Group
Cancer incidence data are derived from the Ontario Cancer Registry (OCR) operated by Cancer Care Ontario. The OCR contains information on Ontario residents who have been newly diagnosed with all types of malignant cancers, with the exception of basal cell and squamous cell (non-melanoma) skin cancers. Beginning in 2014, the OCR adopted the National Cancer Institute (NCI) SEER standards for counting multiple primaries for cancer cases diagnosed in 2010 and beyond. This standard is more liberal than the previously used case counting rules from the modified version of the International Association of Cancer Registries (IACR). Cancer data presented on this and other HealthSTATS pages only includes cases captured using the more conservative IACR definition for all years in order to maintain comparability over time. As a result, figures presented on HealthSTATS may be lower than those reported by Cancer Care Ontario as they are using the revised counting methodology.
The rate of new cancer cases (also called the incidence rate) provides a measure of the risk of developing any type of cancer over a given period of time. In 2012 among Simcoe Muskoka residents, there were over 3,000 new cases of cancer diagnosed with an age-standardized incidence rate for all ages and both sexes of 447 (431.5, 463.1) per 100,000 population. This was significantly higher than the Ontario cancer incidence rate of 413 (409.9, 416.1) per 100,000.
Figure one below shows the trend in overall cancer incidence in both Simcoe Muskoka and Ontario over the twenty-seven year period from 1986 to 2012. The cancer incidence rates both in Simcoe Muskoka and Ontario increased at a small but significant pace over this time period, with an annual percentage increase of less than a half a per cent per year. The Simcoe Muskoka rates were consistently above the Ontario rates for majority of this twenty-seven year time-period.
In 2012, the age-standardized incidence rate for all cancers among Simcoe Muskoka males was 494 (470.9, 518.8) per 100,000, which was significantly higher than the female rate of 413 (391.4, 434.8) per 100,000. The 2012 age-standardized cancer incidence rates for Ontario males and females were significantly lower than the comparable Simcoe Muskoka rates.
Figure two shows the trend in overall cancer incidence rates for males and females in Simcoe Muskoka over the twenty-seven year period between 1986 and 2012. The cancer incidence rates among Simcoe Muskoka males did not change significantly over this time period; however, the overall cancer incidence rate among females did increase significantly between 1986 and 2012 with an average annual per cent increase of 0.6 (0.3, 0.8) per cent per year. The male cancer incidence rates were significantly higher than the female rates for the entire twenty-seven year period of time.
By Age Group
The risk of being diagnosed with cancer increases significantly with age (see figure three). The age-specific cancer incidence rates between 2007 and 2012 (combined) in Simcoe Muskoka were highest among those 75 years and older at 2481 (2414.3, 2548.0) new cases per 100,000 population. In contrast, the cancer incidence rate for children and youth under 20 years of age was only 17 (14.2, 20.3) new cases per 100,000 population. The age-specific cancer incidence rates in Simcoe Muskoka were significantly higher than the provincial rates for all age-groups among adults 45 years of age and older.