Key Messages
Hospital Admission Trends Over Time
Hospital Admissions by Age and Sex
Hospital Admissions and Marginalization
Emergency Department Visit Trends Over Time
Emergency Department Visits by Age and Sex
Emergency Department Visits and Marginalization
Reasons for Admission or Visit
Technical Notes
Key Messages
- From 2011 to 2021 there were significant increases in the rate of emergency department visits and hospital admissions related to schizophrenia and other psychotic disorders among Simcoe Muskoka residents.
- Twice as many males were admitted to hospital or visited the emergency department related to psychotic disorders than females.
- Adults aged 20-44 and people living in areas with higher levels of deprivation had higher rates of hospital admission and emergency department visits related to psychotic disorders.
Hospital Admission Trends Over Time
- In 2021, the age-standardized rate of schizophrenia and other psychotic disorder-related hospital admissions was 127 (118.1, 136.8) admissions per 100,000 persons in Simcoe Muskoka.
- This was significantly higher than the provincial rate of 115 (113.2, 116.7) admissions per 100,000 persons.
- In 2021, there were approximately 750 psychotic disorder-related hospital admissions among Simcoe Muskoka residents, compared with 500 in 2014.
- There was a small but significant increasing trend in the age-standardized rate of psychotic disorder-related hospital admissions among Simcoe Muskoka residents from 2014 to 2020. There was a 14% increase in the rate among local residents in 2021 compared to 2020.
Hospital Admissions by Age and Sex
- Males had twice the rate of psychotic disorder-related hospital admissions in Simcoe Muskoka. For 2017 to 2021, combined, there was an age-standardize rate of 145 (139.2, 151.9) admissions per 100,000 males, compared to 74 (69.6, 78.6) admissions per 100,000 females.
- The rate of psychotic disorder-related hospitalizations was significantly higher among Simcoe Muskoka males when compared to the provincial average; however the rate among Simcoe Muskoka females was significantly lower than the provincial average.
- Adults aged 20 to 44 had the highest age-specific rate of psychotic disorder-related hospital admissions in Simcoe Muskoka, with 203 (193.7, 212.3) admissions per 100,000 persons in Simcoe Muskoka.
- The lowest rate was observed among children and youths under 20 years, with 26 (21.7, 29.8) admissions per 100,000 persons. This is logical, given that schizophrenia and other personality disorders are typically first diagnosed between the ages of 16 and 30.
- The pattern of age and sex-specific rates across Ontario were similar to the rates in Simcoe Muskoka.
Hospital Admissions by Marginalization
- Hospital admissions for psychotic disorders were highest among people living in areas with the highest level of material deprivation.
- From 2017 to 2021, there were 261 (246.0, 281.1) psychotic disorder-related hospital admissions per 100,000 people who live in areas with the highest levels of material deprivation.
- This was more than three times higher than the rate of 78 (67.9, 89.1) admissions per 100,000 people living in areas with the lowest level of material deprivation.
Emergency Department Visits Trends Over Time
- In 2021, there were nearly 1,000 emergency department visits related to schizophrenia and other psychotic disorders in Simcoe Muskoka.
- The age-standardized rate for psychotic disorder-related emergency department visits increased from 120 (110.2, 129.7) visits per 100,000 persons in 2011 to 172 (161.1, 182.8) visits per 100,000 in 2021 among Simcoe Muskoka residents.
- This was significantly lower than the provincial rate with 209 (206.7, 211.4) psychotic disorder-related emergency department visits per 100,000 persons in 2021.
Emergency Department Visits by Age and Sex
- Psychotic disorder-related emergency department visits were nearly twice as common among males as they were among females.
- From 2017 to 2021 (combined) there was an age-standardized rate of 210 (202.9, 218.2) visits per 100,000 males compared to 108 (102.2, 113.2) per 100,000 among females in Simcoe Muskoka.
- Adults aged 20 to 44 had significantly higher rates of emergency department visits related to psychotic disorder, with an age-specific rate of 313 (301.4, 324.4) visits per 100,000 persons in Simcoe Muskoka, and 373 (370.8, 375.6) visits per 100,000 persons in Ontario.
- The lowest rates were among those under 20, with 39 (34.1, 44.1) visits per 100,000 persons in Simcoe Muskoka. This aligns with schizophrenia more commonly being diagnosed in those aged 16 to 30.
Emergency Department Visits and Marginalization
- People who lived in the most deprived areas had significantly higher age-standardized rate of psychotic disorder-related emergency department visits.
- From 2017 to 2021 (combined) there were 393 (371.8, 414.7) visits per 100,000 among people living in the most deprived areas, compared to 111 (99.1, 124.7) visits among those living in the least deprived areas.
Reasons for Admission or Visit
- The most common diagnoses among schizophrenia and other psychotic disorder-related hospital admissions and emergency department visits were for paranoid type or unspecified schizophrenia.
Technical Notes
Psychotic disorders affect how people perceive reality and can create challenges in day-to-day life. Symptoms of psychotic disorders can include hallucinations and delusions. The most commonly diagnosed psychotic disorders are schizophrenia and schizoaffective disorders. People with schizophrenia may seem like they’ve lost touch with reality. The causes of schizophrenia and other psychotic disorders are unclear. Initial diagnosis of schizophrenia typically occurs between 16 and 30 years.
The specific diagnostic codes used to identify schizophrenia and other psychotic disorder-related hospital admissions and emergency department visits are presented on the OMHRS data source page.
Further Reading
For more information on schizophrenia and other psychotic disorders, see:
Page Last Modified: February 1, 2023