Overall
By Age Group
Cancer deaths data are derived from the Ontario Cancer Registry (OCR) operated by Cancer Care Ontario. The OCR contains information on Ontario residents who have died of all types of malignant cancers. Cancer sites were coded using the Third Edition of the International Classification of Diseases for Oncology (ICDO-3).
Overall
In 2018, 82 females living in Simcoe Muskoka died from breast cancer for an age-standardized mortality rate of 21.5 (17.1, 26.9) deaths per 100,000 population. This was not significantly different from the Ontario female breast cancer mortality rate of 23.6 (22.5, 24.6) deaths per 100,000. Breast cancer is the second leading cause of cancer deaths among females in both Simcoe Muskoka and Ontario after lung cancer.
The chart below shows the trend in the female breast cancer mortality rates in Simcoe Muskoka and Ontario from 1986 to 2018. The female breast cancer mortality rates both in Simcoe Muskoka and Ontario have decreased significantly over this time, with an average annual decline of approximately two per cent per year.
By Age Group
Female breast cancer mortality increases significantly with age. The age-specific breast cancer mortality rates between 2010 and 2018 (combined) in Simcoe Muskoka were highest among older seniors 75 years of age and older at 157.9 (141.6, 175.5) deaths per 100,000, compared with only 4.5 (3.1, 6.3) deaths per 100,000 women 20 to 44 years of age. The age-specific female breast cancer mortality rates in Simcoe Muskoka were not significantly different from the comparable provincial rates for all age groups among adult females 20 years of age and older.
Page last updated June 10, 2022