What is the prevalence of chronic bacterial prostatitis (CBP)?

Updated: May 25, 2021
  • Author: Samantha D Kraemer, MD; Chief Editor: Edward David Kim, MD, FACS  more...
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The lack of clear and strong epidemiological data for prostatitis likely reflects the previous lack of uniform definitions for the disorder and symptom overlap with other urological conditions. 

The prostatitis symptom complex is very common and is estimated to account for approximately 25% of urologic evaluations in men in the United States. Prostatitis accounts for approximately 2 million urology visits annually, or approximately 6% to 8% of all urology visits. Worldwide, about 8 million prostatitis-related outpatient visits occur annually. [1, 17]

Studies using the National Institutes of Health Chronic Prostatitis Symptom Index (NIH-CPSI) found that the prevalence of prostatitis symptoms was 10% in a population of men aged 20-74 years. Overall, the prevalence of symptoms of prostatitis ranges from 2.2% to 16%, with a median of 7% of men having chronic pelvic pain syndrome or chronic prostatitis. [1] However, only 5%-10% of men with symptoms of prostatitis have bacterial prostatitis. [18, 19, 20]  

Symptoms of prostatitis are very common in men aged 36-50 years. In fact, prostatitis is the most common urologic problem in men younger than age 50 years. It is the third most common urologic problem in older men.

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