What is the prevalence of urinary tract infection (UTI) and cystitis in the US?

Updated: Jan 02, 2020
  • Author: John L Brusch, MD, FACP; Chief Editor: Michael Stuart Bronze, MD  more...
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UTIs in women are very common; approximately 25-40% of women in the United States aged 20-40 years have had a UTI. UTIs account for over 6 million patient visits to physicians per year in the United States. Approximately 20% of those visits are to EDs.

Cystitis occurs in 0.3-1.3% of pregnancies but does not appear to be related to asymptomatic bacteriuria. Acute pyelonephritis occurs in 1-2% of pregnancies. UTIs occur in 30-50% of renal transplant patients and frequently are silent.

In 2007, approximately 3.9% of office visits were related to symptoms involving the genitourinary tract. [11] Estimates based on office and ED visits suggest per annum about 7 million episodes of acute cystitis. Some studies estimate that UTIs (cystitis plus pyelonephritis) cost at least $1 billion per year.

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