By Age Group
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 emergency visits are angina pectoris (chest pain) and acute myocardial infarction (heart attack). During the five-year time period from 2011 to 2015, there were over 9,600 IHD-related emergency visits in Simcoe Muskoka.
The age-standardized rate for IHD emergency visits in Simcoe Muskoka for all ages and sexes in 2015 was 281 (267.6, 294.0) per 100,000 population, which was significantly higher than the Ontario rate of 195 (192.6, 197.2) per 100,000 population. The standardized morbidity ratio (SMR) for IHD emergency visits in Simcoe Muskoka compared with Ontario was 1.43 (1.36, 1.49), which means that there was a 43 per cent greater IHD emergency visit experience in Simcoe Muskoka relative to Ontario in 2015.
The IHD emergency visit rates in both Simcoe Muskoka and Ontario declined significantly for the time period from 2003 to 2015, with an average decrease in the rates of five per cent (-6.7, -3.9) per year in Simcoe Muskoka and seven per cent (-7.9, -5.3) per year for the province overall. The rates in Simcoe Muskoka were significantly higher than the provincial rates each year over this 13-year time period.
In 2015, the age-standardized IHD emergency visit rate among Simcoe Muskoka males was 371 (348.7, 393.2) per 100,000, which was significantly higher than the female rate of 200 (185.1, 215.5) per 100,000. The IHD emergency visit rate for Ontario was significantly lower than the Simcoe Muskoka rate for both males and females in 2015. There was a significant downward trend in the IHD emergency visit rates for both males and females in Simcoe Muskoka over the 13-year period between 2003 and 2015.
By Age Group
Emergency visits for IHD increase significantly with age. The age-specific rate for IHD emergency visits between 2003 and 2015 (combined) in Simcoe Muskoka was highest among those 75 years and older at 2072 (2030.0, 2113.1) visits per 100,00 population (75+). The age-specific rates in Simcoe Muskoka were significantly higher than their respective provincial rates for all age groups among adults 20 years of age and older.
For the time period from 2011 to 2015 (combined) in Simcoe Muskoka, the emergency visit rate for IHD was significantly lower among those living in the top 40% of neighbourhood income distribution when compared with those living in the bottom 60%.