By Age Group
Diseases of the respiratory system, including chronic obstructive pulmonary diseases (COPD), were the fourth leading cause of hospitalizations in Simcoe Muskoka for the five year period between 2011 and 2015. There were over 6,900 COPD hospitalizations over this five-year period, accounting for more than one-third of all respiratory system disease related hospitalizations.
The age-standardized hospitalization rate for COPD in Simcoe Muskoka for all ages and sexes in 2015 was 224 (212.2, 235.2) per 100,000 population, which was significantly higher than the Ontario rate of 183 (181.2, 185.5) per 100,000 population. The standardized morbidity ratio (SMR) for COPD hospitalizations in Simcoe Muskoka compared with Ontario was 1.21 (1.15, 1.28), which means that there was a 21% greater COPD hospitalization experience in Simcoe Muskoka relative to Ontario in 2015.
There was a significant decreasing trend in the COPD hospitalization rates in both Simcoe Muskoka and Ontario from 2005 to 2015 which saw the rates in Simcoe Muskoka decrease by an average of three per cent (-4.8%,-1.5%) per year and the provincial rates decrease by an average of two per cent (-3.3%,-0.9%) per year. The COPD hospitalization rates in Simcoe Muskoka have been consistently above the provincial rates over this time period; however, the gap has narrowed in recent years.
In 2015, the age-standardized COPD hospitalization rate among Simcoe Muskoka males was 225 (207.6, 242.4) per 100,000, which was similar to the female rate of 227 (211.9, 243.5) per 100,000. The 2015 COPD hospitalization rates for Ontario males and females were significantly lower than the comparable Simcoe Muskoka rates.
The COPD hospitalization rates among males and females in Simcoe Muskoka declined significantly between 2005 and 2015; however, the decrease in the rates was faster for males (-4% (-6.2%, -2.5%) per year) when compared with females (-2% (-4.3%, -0.4%) per year).
By Age Group
Hospitalizations for COPD increases with age. The age-specific rate for COPD hospitalizations between 2003 and 2015 (combined) in Simcoe Muskoka was highest among those 75 years and older at 1,895 (1,855.3, 1,934.8) hospital discharges per 100,000 population. This was more than double the rate for those between 65 and 74 years of age and more than 10 times higher than the rate for adults between 45 and 64 years of age. The Simcoe Muskoka age-specific rates were significantly higher than the provincial rates for all age-groups among all adult age groups.
For the time period from 2011 to 2015 (combined) in Simcoe Muskoka, hospitalizations for COPD were significantly lower among those living in top income quintile when compared with those living in any of the other income quintiles, particularly among those living in the bottom 60 per cent of household income.