Urethritis epidemiology and demographics: Difference between revisions
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Image:Gonorrhea-2.jpg|Gonorrhea Prevalence by race | Image:Gonorrhea-2.jpg|Gonorrhea Prevalence by race | ||
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Graphs adapted from https://www.cdc.gov/ | |||
==References== | ==References== | ||
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Seyedmahdi Pahlavani, M.D. [2]
Overview
Urethritis is the cause of several millions of healthcare visits in the United States. It is most common among sexually active young adults. The most common etiologies for urethritis are Chlamydia trachomatis and N. gonorrhea; available epidemiological data focus on these two pathogens.
Epidemiology
Chlamydia and gonorrhea are the most commonly reported diseases to the US Centers for Disease Control and Prevention (CDC). Worldwide, there are an estimated 78 million gonorrheal cases, and 131 million cases of chlamydia yearly.[1][2]
Incidence
- Chlamydia trachomatis is the most common reportable disease in the US; 1,441,789 chlamydial infections were reported to the CDC in 2014 which corresponds to a rate of 456.1 cases per 100,000 population.
- Gonorrhea: In 2014, a total of 350,062 gonorrhea cases were reported, and the national gonorrhea rate increased to 110.7 cases per 100,000 population in the US[3].
Prevalence
Based on The National Health and Nutrition Examination Survey, the overall prevalence of chlamydia among persons aged 14–39 years was 1.7% (95% Confidence Interval [CI]: 1.4–2.0) during 2007-2012.[4]
Demographics
Gender
- Chlamydia trachomatis: In 2014, the overall rate of chlamydia infection in the United States among women was 627.2 cases per 100,000 females, over two times the rate among men (278.4 cases per 100,000 males).[3]
- Gonorrhea: In 2014, incidence of gonorrhea in the United States was reported as 120 cases per 100,000 males, while it was reported as 100 cases per 100,000 female.
Age
- Chlamydia trachomatis: Almost two-thirds of chlamydia infections occur among youths aged 15-24 years.[5]
- Gonorrhea: The highest prevalence rates were found in ages 20 to 24 years both in men and women.
Race
- Chlamydia trachomatis: In 2014, the chlamydia rate in African-Americans was 6 times the rate in Caucasians, and the rate among American Indians/Alaska Natives was almost 4 times the rate among Caucasians.[4]
- Gonorrhea: In 2014, the rate of reported gonorrhea cases remained highest among African-Americans (405.4 cases per 100,000 individuals). The rate among African-Americans was 10.6 times the rate among Caucasians (38.3 cases per 100,000 population). The gonorrhea rate among American Indians/Alaska natives was 159.4 cases per 100,000 individuals, 4.2 times that of Caucasians.[4]
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Rate of Chlamydia reported cases by gender -
Chlamydia Prevalence by race and age -
Rate of Gonorrhea reported cases by sex -
Gonorrhea Prevalence by race
Graphs adapted from https://www.cdc.gov/
References
- ↑ WHO epidemiology http://www.who.int/mediacentre/factsheets/fs110/en/ (2016) Accessed on September 26, 2016
- ↑ Torrone E, Papp J, Weinstock H (2014). "Prevalence of Chlamydia trachomatis genital infection among persons aged 14-39 years--United States, 2007-2012". MMWR Morb. Mortal. Wkly. Rep. 63 (38): 834–8. PMID 25254560.
- ↑ 3.0 3.1 "National Overview - 2014 STD Surveillance".
- ↑ 4.0 4.1 4.2 "Chlamydia - 2014 STD Surveillance".
- ↑ Chlamydia CDC Fact Sheet. CDC.http://www.cdc.gov/std/chlamydia/stdfact-chlamydia-detailed.htm#_ENREF_3. Accessed on September 28,2016