Obsessive-compulsive disorder epidemiology and demographics
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Priyanka Kumari, M.B.B.S[2]Sonya Gelfand, Abhishek Reddy, Kiran Singh, M.D. [3], Usama Talib, BSc, MD [4]
Overview
Once believed to be rare, OCD was found to have a lifetime prevalence of 2,300 per 100,000 (2.3%) of the overall population. The twelve month prevalence of OCD is 1,200 per 100,000 (1.2%) of the overall population.[1][2] Discovery of effective treatments and education of patients and health care providers have significantly increased the identification of individuals with OCD. International studies have shown a similar incidence and prevalence of OCD worldwide.
Epidemiology and Demographics
- Obsessive compulsive disorder has a lifetime prevalence of 2,300 per 100,000 (2.3 percent), though many cases of OCD go untreated in primary care settings.[2][3]
- The 12-month prevalence of obsessive compulsive disorder in the general population is 1,200 per 100,000 (1.2%).[1]
- Individuals who have not completed high school have a higher lifetime prevalence of OCD (3.4 percent) than those who have (1.9 percent ). Those with a college diploma, on the other hand, have a higher lifetime prevalence (3.1 percent) than those with only a high school diploma (2.4 percent ).
- The average age of onset for OCD is 19.5 years old, but it can range from late adolescence to the mid-20s in both sexes. However, the age of onset for males is younger than that for females.[4]
- According to a 2008 study, OCD symptoms in Japanese patients are similar to those in Western countries, proving that the disorder transcends culture and geography[5]
- Sufferers are thought to have above-average intelligence because the disorder necessitates complicated thinking patterns.
Overview
Epidemiology and Demographics
Prevalence
- The incidence/prevalence of [disease name] is approximately [number range] per 100,000 individuals worldwide.
- In [year], the incidence/prevalence of [disease name] was estimated to be [number range] cases per 100,000 individuals worldwide.
- The prevalence of [disease/malignancy] is estimated to be [number] cases annually.
Case-fatality rate/Mortality rate
- In [year], the incidence of [disease name] is approximately [number range] per 100,000 individuals with a case-fatality rate/mortality rate of [number range]%.
- The case-fatality rate/mortality rate of [disease name] is approximately [number range].
Age
- Patients of all age groups may develop [disease name].
- The incidence of [disease name] increases with age; the median age at diagnosis is [#] years.
- [Disease name] commonly affects individuals younger than/older than [number of years] years of age.
- [Chronic disease name] is usually first diagnosed among [age group].
- [Acute disease name] commonly affects [age group].
Race
- There is no racial predilection to [disease name].
- [Disease name] usually affects individuals of the [race 1] race. [Race 2] individuals are less likely to develop [disease name].
Gender
- [Disease name] affects men and women equally.
- [Gender 1] are more commonly affected by [disease name] than [gender 2]. The [gender 1] to [gender 2] ratio is approximately [number > 1] to 1.
Region
- The majority of [disease name] cases are reported in [geographical region].
- [Disease name] is a common/rare disease that tends to affect [patient population 1] and [patient population 2].
Developed Countries
Developing Countries
References
- ↑ 1.0 1.1 Diagnostic and statistical manual of mental disorders : DSM-5. Washington, D.C: American Psychiatric Association. 2013. ISBN 0890425558.
- ↑ 2.0 2.1 Hirschtritt ME, Bloch MH, Mathews CA (2017). "Obsessive-Compulsive Disorder: Advances in Diagnosis and Treatment". JAMA. 317 (13): 1358–1367. doi:10.1001/jama.2017.2200. PMID 28384832.
- ↑ Osland S, Arnold PD, Pringsheim T (2018). "The prevalence of diagnosed obsessive compulsive disorder and associated comorbidities: A population-based Canadian study". Psychiatry Res. 268: 137–142. doi:10.1016/j.psychres.2018.07.018. PMID 30025284.
- ↑ Antony, M. M.; F. Downie & R. P. Swinson. "Diagnostic Issues and Epidemiology in Obsessive-Compulsive Disorder". in Obsessive-Compulsive Disorder: Theory, Research, and Treatment, eds. M. M. Antony; S. Rachman; M. A. Richter & R. P. Swinson. New York: The Guilford Press, 1998, pp. 3-32.
- ↑ Matsunaga, H.; Maebayashi, K., Hayashida, K., Okino, K., Matsui, T., Iketani, T., Kiriike, N., Stein, D. J. (1 February 2008). "Symptom Structure in Japanese Patients With Obsessive-Compulsive Disorder". American Journal of Psychiatry 165 (2): 251–253. doi:10.1176/appi.ajp.2007.07020340. PMID 18006873. Retrieved 25 January 2012.