Alopecia epidemiology and demographics
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Ogechukwu Hannah Nnabude, MD
Overview
The epidemiology and demographics of alopecia varies by age, race, sex, and health status.
Alopecia epidemiology and demographics
In [year], the incidence/prevalence of [disease name] was estimated to be [number range] cases per 100,000 individuals worldwide.
- Androgenetic alopecia affects 50% of men and 15% of women, particularly postmenopausal women. [1]
- In alopecia areata, the prevalence is 0.2% and has no age or sexual predilection. However, it affects white races more than dark races.
- In telogen effluvium, women are at higher predisposition than men.
- Tinea capitis has a higher incidence among the pediatric age group and in darker races. [2]
- Anagen effluvium is more common in cancer patients receiving treatment with chemotherapeutic agents.
Additional Sentence 1: The case-mortality rate of [disease name] is approximately [number range] worldwide. Additional Sentence 2: The majority of [disease name] cases are reported in [geographical region]. Additional Sentence 3: Patients of all age groups may develop [disease name] Additional Sentence 4: [Disease name] is a common/rare disease that tends to affect [patient population 1] and [patient population 2]. Additional Sentence 5: [Gender 1] are more commonly affected with [disease name] than [gender 2]. The [gender 1] to [gender 2] ratio is approximately [number > 1] to 1. Additional Sentence 6: [Disease name] affects men and women equally. Additional Sentence 7: There is no racial predilection to [disease name]. Additional Sentence 8: [Disease name] usually affects individuals of the [ethnicity 1] race. [Ethnicity 2] individuals are less likely to develop [disease name]. Additional Sentence 9: The incidence of [disease name] increases with age; the median age at diagnosis is [#] years. Additional Sentence 10: [Chronic disease name] is usually first diagnosed among [age group]. Additional Sentence 11: [Acute disease name] commonly affects [age group]. Additional Sentence 12: [Disease name] commonly affects individuals younger than/older than [number of years] years of age.
Prevalence is defined as the total number of cases of a disease in a given at-risk population at a specific time. Note: For diseases specific to one gender, such as prostate cancer, only male patients are considered in the equation since only male patients are the at-risk population. When using numbers with decimal points, avoid reporting more than 1 number after the decimal point. For example, report a prevalence as 10.1 instead of 10.09322. Many numbers after the decimal point may suggest a false sense of accuracy. You can use one or more of these template sentences. Worldwide, the prevalence of (insert disease state here) ranges from a low of _____ per 100,000 persons to a high of _____ per 100,000 persons with an average prevalence of _____ per 100,000 persons. Worldwide, the prevalence of (insert disease state here) is _____ per 100,000 persons. In developed countries, the prevalence of (insert disease state here) ranges from a low of _____ per 100,000 persons to a high of _____ per 100,000 persons with an average prevalence of _____ per 100,000 persons. In developed countries, the prevalence of (insert disease state here) is _____ per 100,000 persons. In developing countries/ Africa, the prevalence of (insert disease state here) ranges from a low of _____ per 100,000 persons to a high of _____ per 100,000 persons with an average prevalence of _____ per 100,000 persons. In developing countries/ Africa, the prevalence of (insert disease state here) is _____ per 100,000 persons. In ____ (insert year), the prevalence of _______ (insert disease name) was estimated to be _______ (insert number) cases per 100,000 individuals worldwide. Incidence[edit | edit source] Incidence is defined as the number of new cases per population in a given time period. The standard format to report the incidence is ___ per 100,000 individuals. When using numbers with decimal points, avoid reporting more than 1 number after the decimal point. For example, report a incidence as 10.1 instead of 10.09322. Many numbers after the decimal point may suggest a false sense of accuracy. You can pick one or more of the template sentences below for this section: Worldwide, the incidence of (insert disease state here) ranges from a low of _____ per 100,000 persons to a high of _____ per 100,000 persons with an average incidence of _____ per 100,000 persons. Worldwide, the incidence of (insert disease state here) is _____ per 100,000 persons. In developed countries, the incidence of (insert disease state here) ranges from a low of _____ per 100,000 persons to a high of _____ per 100,000 persons with an average incidence of _____ per 100,000 persons. In developed countries, the incidence of (insert disease state here) is _____ per 100,000 persons. In developing countries/ Africa, the incidence of (insert disease state here) ranges from a low of _____ per 100,000 persons to a high of _____ per 100,000 persons with an average incidence of _____ per 100,000 persons. In developing countries/ Africa, the incidence of (insert disease state here) is _____ per 100,000 persons. In ____ (insert year), the incidence of _______ (insert disease name) was estimated to be _______ (insert number) cases per 100,000 individuals worldwide.
References
- ↑ Rinaldi F, Marzani B, Pinto D, Sorbellini E (2019). "Randomized controlled trial on a PRP-like cosmetic, biomimetic peptides based, for the treatment of alopecia areata". J Dermatolog Treat. 30 (6): 588–593. doi:10.1080/09546634.2018.1544405. PMID 30513014.
- ↑ Owczarczyk-Saczonek A, Wygonowska E, Budkiewicz M, Placek W (2019) Serum sickness disease in a patient with alopecia areata and Meniere' disease after PRP procedure. Dermatol Ther 32 (2):e12798. DOI:10.1111/dth.12798 PMID: 30511475