Map of Simcoe Muskoka

Injuries and Prevention

Traumatic Brain Injuries

Emergency Visits
Hospitalizations

This HealthSTATS page provides data on injuries to the head and uses the Association of Public Health Epidemiologists in Ontario (APHEO) definition, which includes at least one of the following: (i) observed or self-reported alteration of consciousness or amnesia due to head trauma; (ii) neurologic or neuropsychological changes or diagnoses of skull fracture or intracranial lesions that can be attributed to the head trauma; (iii) or an occurrence of death resulting from trauma with head injury or traumatic brain injury listed in the sequence of conditions that resulted in death.

Emergency Visits

According to the National Ambulatory Care Reporting System (NACRS), on average, there were approximately 1,750 emergency visits per year for traumatic brain injuries in Simcoe Muskoka between 2011 and 2015.

The age-standardized rate for traumatic brain injury emergency visits in Simcoe Muskoka for all ages and sexes in 2015 was 376 (359, 392) visits per 100,000 population, which was significantly higher than the Ontario rate of 293 (290, 296) visits per 100,000 population.

There was a significant upward trend in the traumatic brain injury emergency visit rates in both Simcoe Muskoka and Ontario for the 13-year period from 2003 to 2015, with an average annual increase of approximately nine per cent per year. The Simcoe Muskoka rates were significantly higher than the comparable provincial rates over this entire time period.

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The age-standardized rate for traumatic brain injury emergency visits in Simcoe Muskoka among males in 2015 was 406 (381, 430) visits per 100,000, which was significantly higher than the Simcoe Muskoka female rate of 347 (325, 370) visits per 100,000. The local rates were significantly higher than the comparable provincial rates for both males and females for the entire 13-year period from 2003 to 2015. While the male traumatic brain injury rates have been significantly higher than the female rates over the past 13 years, the females rates have been increasing at a faster pace than the male rates (12% (10.2%, 13.3%) per year increase among females vs. 7% (6.1%, 8.6%) per year increase among males).

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The age-specific rate for traumatic brain injury emergency visits between 2003 and 2015 (combined) in Simcoe Muskoka was highest among youth between 10 and 19 years of age at 618 (610, 626) visits per 100,000. This was more than twice the rate for any other age-group over this time period. The age-specific Simcoe Muskoka rates were significantly higher than the comparable provincial rates for all age-groups over this time period, with the exception of infants less than one-year of age.

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The Simcoe Muskoka youth (10-19 years) traumatic brain injury emergency department visit rates among females have increase more than four fold over the thirteen years from 2003 to 2015; whereas the male rates have more than doubled over this same time period.

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Sports and recreational activities were associated with more than one-third of all traumatic brain injury emergency visits among Simcoe Muskoka youth (10-19 years). Hockey, by far, was the most common recreational activity associated with a traumatic brain injury emergency visit among Simcoe Muskoka males (10-19 year). Skiing or snowboarding, hockey, ice skating and being hit by a ball were associated with a similar percentage of traumatic brain injury emergency visits among Simcoe Muskoka females (10-19 years).

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The rate for traumatic brain injury emergency visits in Simcoe Muskoka was highest for those living in the middle income quintile.

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Hospitalizations

On average, there were approximately 200 hospital admissions per year for traumatic brain injuries in Simcoe Muskoka between 2003 and 2015. About one in every six emergency visits for traumatic brain injury led to a hospital admission in Simcoe Muskoka over this 13-year period; however, age was strongly associated with a subsequent hospital admission. For example, over half of emergency visits for traumatic brain injury among older seniors (75+ years) led to an admission, which was ten times higher than the five per cent of visits among youth (10-19 years) that led to a hospital admission.

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The age-standardized rate for traumatic brain injury hospitalizations in Simcoe Muskoka for all ages and sexes in 2015 was 45.1 (39.7, 50.6) admissions per 100,000 population, which was not significantly different from the Ontario rate of 41.6 (40.5, 42.7) admissions per 100,000 population.

There was a significant upward trend in the traumatic brain injury hospitalization rates in both Simcoe Muskoka and Ontario over the 13-year period from 2003 to 2015. The Simcoe Muskoka traumatic brain injury hospitalization rates were not significantly different from the provincial rates for the majority years from 2003 to 2015.

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The age-standardized rate for traumatic brain injury hospitalizations in Simcoe Muskoka among males in 2015 was 63.5 (53.9, 73.1) admissions per 100,000, which was twice as high as the Simcoe Muskoka female rate of 29.7 (23.7, 35.8) admissions per 100,000. The Ontario traumatic brain injury hospitalization rates for males and females were not significantly different from the comparable local rates for 2015. Both the male and female traumatic brain injury hospitalization rates increased significantly over the 13-year period from 2003 to 2015.

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The age-specific rate for traumatic brain injury hospitalizations increases with age. Between 2003 and 2015 (combined) in Simcoe Muskoka, the traumatic brain injury hospitalization rate was highest among seniors 75 years of age and older at 158 (152.2, 163.9) admissions per 100,000, which was more than twice the rate for seniors 65 to 74 years and more than five times the rate for any other age group. The age-specific Simcoe Muskoka traumatic brain injury hospitalization rates were significantly higher than the comparable provincial rates for all age-groups, with the exception of older seniors (75+ years), for the 13-year period from 2003 to 2015.

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Falls were associated with more than half of all traumatic brain injury hospital admissions in Simcoe Muskoka over the 13-years from 2003 to 2015 and this association was strongest among seniors.

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The rate for traumatic brain injury hospital admissions in Simcoe Muskoka was higher among those living in the lower and middle income quintiles.

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