How does the incidence of chlamydial genitourinary infections (chlamydia) vary by age, sex, and race?

Updated: Sep 25, 2018
  • Author: Shahab Qureshi, MD, FACP; Chief Editor: Michael Stuart Bronze, MD  more...
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Age factors in chlamydial genitourinary infection relate to the age of first sexual exposure and the frequency of exposure. Chlamydia is most prevalent in persons aged 15-24 years. Acquisition rates are comparable for the 2 sexes. Women are more likely to be asymptomatic than men (80% vs 50%); however, they are also more likely to develop long-term complications (eg, PID and infertility).

Data from 2011 demonstrate that the disease is most common in adolescents and young adults aged 15-24 years, with higher rates in women and African Americans than in Hispanics and non-Hispanic whites. [24]

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