By Age Group
Cerebrovascular diseases (including stroke), accounted for approximately 4,500 hospital stays and were the seventh leading cause of hospitalizations in Simcoe Muskoka for the five-year period between 2011 and 2015. Stroke accounted for nearly 3,400 or three-quarters of all cerebrovascular disease related hospitalizations during this time period.
The age-standardized hospitalization rate for stroke in Simcoe Muskoka for all ages and sexes in 2015 was 117.7 (109.3, 126.1) per 100,000 population, which was not significantly different than the Ontario rate of 114.2 (112.5, 115.9) per 100,000 population.
The stroke hospitalization rates in both Simcoe Muskoka and Ontario decreased significantly from 2003 to 2012 at approximately four per cent per year; however from 2012 to 2015 the rates have demonstrated a slight, non-significant, upward trend.
In 2015, the age-standardized stroke hospitalization rate among Simcoe Muskoka males was 144.9 (131.0, 158.8) per 100,000, which was significantly higher than the female rate of 94.1 (83.8, 104.4) per 100,000. The stroke hospitalization rate for Ontario males and females was not significantly different from the rates in Simcoe Muskoka in 2015.
The stroke hospitalization rates for males in Simcoe Muskoka fell sharply from 2003 to 2006; however, from 2003 to 2015 the rates did not change significantly. The stroke hospitalization rates among Simcoe Muskoka females decreased significantly from 2003 to 2015, with an average annual decrease of -2.7% (-4.2, -1.2) per year.
By Age Group
Hospitalizations for stroke increases with age. The age-specific rate for stroke hospitalizations between 2003 and 2015 (combined) in Simcoe Muskoka was highest among those 75 years and older at 945 (916.8, 973.0) hospital discharges per 100,000 populations. This was more than twice the rate for those 65 to 74 years of age and nearly 10-times the rate for those 45 to 64 years of age. The age-specific Simcoe Muskoka rates were similar to the comparable provincial rates for all age-groups during this period of time.
For the time period from 2011 to 2015 (combined) in Simcoe Muskoka, hospitalization rates for stroke were significantly lower among those living in the top 40% of neighbourhood income distribution when compared with those living in the bottom 60%.