Map of Simcoe Muskoka

Mental Health

Schizophrenia and Psychotic Disorders

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 2020 there was a significant increase in the rate of emergency department visits related to schizophrenia and other psychotic disorders among Simcoe Muskoka residents. There was also a small but significant increasing in psychotic disorder hospital admissions among Simcoe Muskoka residents from 2014 to 2020.
  • 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 2020, the age-standardized rate of schizophrenia and other psychotic disorder-related hospital admissions was 112 (103.3, 120.9) admissions per 100,000 persons in Simcoe Muskoka.
  • This was not significantly different than the provincial rate of 111 (109.3, 112.8) admissions per 100,000 persons.
  • In 2020, there were approximately 650 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.

MHPsyc_Hosp_AgeStd2011to2015_20180326

Hospital Admissions by Age and Sex

  • Males had twice the rate of psychotic disorder-related hospital admissions in Simcoe Muskoka. For 2016 to 2020, combined, there was an age-standardize rate of 139 (133.3, 145.84) admissions per 100,000 males, compared to 70 (65.3, 74.2) 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 188 (178.8, 196.9) admissions per 100,000 persons in Simcoe Muskoka.
  • The lowest rate was observed among children and youths under 20 years, with 26 (21.8, 29.9) 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.

MIPersonality_Hosp_AgeStdbySex

MHPsyc_Hosp_AgeSpec_20180326

Hospital Admissions by Marginalization

  • Hospital admissions for psychotic disorders were highest among people living in areas with the highest level of material deprivation.
  • From 2016 to 2020, there were 253 (236.2, 270.6) psychotic disorder-related hospital admissions per 100,000 people who live in areas with the highest levels of material deprivation.
  • This was three times higher than the rate of 75 (65.5, 86.1) admissions per 100,000 people living in areas with the lowest level of material deprivation.

MIPsychotic_Hosp_AgeStdbyQuint

Emergency Department Visits Trends Over Time

  • In 2020, there was over 900 emergency department visits related to schizophrenia and other psychotic disorders.
  • 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 161 (150.6, 171.8) visits per 100,000 in 2020 among Simcoe Muskoka residents.
  • This was significantly lower than the provincial rate with 208 (205.9, 210.6) psychotic disorder-related emergency department visits per 100,000 persons in 2020.

MHPsyc_ED_AgeStd2011to2015_20180326

Emergency Department Visits by Age and Sex

  • Psychotic disorder-related emergency department visits were twice as common among males as they were among females.
  • From 2016 to 2020 (combined) there was an age-standardized rate of 204 (196.6, 211.8) visits per 100,000 males compared to 103 (98.1, 109.0) 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 296 (285.0, 307.7) 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 42 (36.9, 47.3) visits per 100,000 persons in Simcoe Muskoka. This aligns with schizophrenia more commonly being diagnosed in those aged 16 to 30.

MHPsyc_ED_AgeStdbyGender_20180326

MHPsyc_ED_AgeSpec_20180326

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 2016 to 2020 (combined) there were 333 (314.0, 353.6) visits per 100,000 among people living in the most deprived areas, compared to 90 (79.0, 101.6) visits among those living in the least deprived areas.

MIPsychotic_ED_AgeStdbyQuint

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: August 30, 2022