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Schizophrenia affects around 0.3–0.7% of the general population at some point in life (i.e. lifetime prevalence), [1] or 21 million people worldwide as of 2020 (about one of every 285). [2] By using precise methods in its diagnosis and a large, representative population, schizophrenia seems to occur with relative consistency over time during ...
The average lifetime prevalence found was 6.7% for MDD (with a relatively low lifetime prevalence rate in higher-quality studies, compared to the rates typically highlighted of 5–12% for men and 10–25% for women), and rates of 3.6% for dysthymia and 0.8% for Bipolar 1. [18]
An international review of studies on the prevalence of schizophrenia found an average (median) figure of 0.4% for lifetime prevalence; it was consistently lower in poorer countries. [ 157 ] Studies of the prevalence of personality disorders (PDs) have been fewer and smaller-scale, but one broad Norwegian survey found a five-year prevalence of ...
[3] [5] [6] In 2021, there was a 5.5% prevalence rate of U.S. adults diagnosed with SMI, with the highest percentage being in the 18 to 25 year-old group (11.4%). [2] Also in the study, 65.4% of the 5.5% diagnosed adults with SMI received mental health care services. [2] SMI is a subset of AMI, an abbreviation for any mental illness. [2]
Diagnosis of schizophrenia from other types of psychosis Sensitivity 58.0 (50.3, 65.3) Specificity 74.7 (85.2, 82.3) 57% (24% to 84%) Prevalence of 57%: 57 out of every 100 people with other types of psychosis will have schizophrenia. The result means that, of these, 24 will not be identified as having schizophrenia by use of FRS (42% of 57).
The frequency of schizophrenia varies across the world, [10] within countries, [257] and at the local and neighborhood level; [258] this variation in prevalence between studies over time, across geographical locations, and by gender is as high as fivefold.
Hospitals, clinics, and insurance companies in the United States may require a DSM diagnosis for all patients with mental disorders. Health-care researchers use the DSM to categorize patients for research purposes. The DSM evolved from systems for collecting census and psychiatric hospital statistics, as well as from a United States Army manual
Dependencies of France, United Kingdom, United States of America, The Netherlands and Denmark are grouped with their respective countries. Date: 17 August 2016: Source: Data from World Health Organization Disease Burden Estimates for 2000-2012 Vector map from BlankMap-World6, compact.svg by Canuckguy et al. Author: Chris55