Map of Simcoe Muskoka

Chronic Diseases

Ischemic Heart Disease (IHD) Hospitalization

Overall

By Sex

By Age Group

By Income

Overall

Ischaemic Heart Disease or IHD is characterized by a reduction in blood supplied to the heart caused by disease of the blood vessels supplying the heart muscle. The most common forms of IHD which result in hospitalizations are myocardial infarction (heart attack), atherosclerosis (hardening of the arteries) and angina pectoris (chest pain). Diseases of the circulatory system, including IHD, were the leading cause of hospitalizations in Simcoe Muskoka in 2016. IHD accounted for more than one-third of all circulatory system disease related hospitalizations during this period of time.

The age-standardized hospitalization rate for IHD in Simcoe Muskoka for all ages and sexes in 2016 was 394 (379.0, 409.9) hospitalizations per 100,000 population, which was significantly higher than the Ontario rate of 315 (312.3, 318.0) hospitalizations per 100,000 population. The standardized morbidity ratio (SMR) for IHD hospitalizations in Simcoe Muskoka compared with Ontario was 1.24 (1.20, 1.29), which means that there was a 24 per cent greater IHD hospitalization experience in Simcoe Muskoka relative to Ontario in 2016. 

The IHD hospitalization rates in both Simcoe Muskoka and Ontario declined significantly over the period from 2003 to 2016, with an average decrease in the rates of approximately five per cent per year. The rates in Simcoe Muskoka were significantly higher than the provincial rates each year over this 14-year time period.

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By Sex

In 2016, the age-standardized IHD hospitalization rate among Simcoe Muskoka males was 563 (536.5, 590.6) hospitalizations per 100,000, which was more than twice the female rate of 239 (223.1, 256.0) hospitalizations per 100,000. The IHD hospitalization rates for Ontario were significantly lower than the Simcoe Muskoka rates for both males and females in 2016. The IHD hospitalization rates for males and females in Simcoe Muskoka decreased significantly over the 14-year period between 2003 and 2016.

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By Age Group

Hospitalizations for IHD increase significantly with age. The age-specific rate for IHD hospitalizations between 2011 and 2016 (combined) in Simcoe Muskoka was highest among those 75 years and older at 1994 (1938, 2051) hospital discharges per 100,000 population (75+). The age-specific IHD Hospitalization rates in Simcoe Muskoka were significantly higher than their respective provincial rates for all age groups among adults 20 years of age and older.

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By Income

For the time period from 2011 to 2016 (combined), Simcoe Muskoka residents living in areas with the highest prevalence of low-income had significantly higher rates of IHD hospitalizations when compared with all other low-income areas.

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