Epidemiology
The frequency of bladder infections in humans varies significantly according to age and sex. The male/female ratio of UTIs in children younger than 12 months is four to one because of the high rate of birth defects in the urinary tract of male infants. Urinary tract infections are fairly common in young girls. In adult life, the male/female ratio of UTIs is one to 50. After age 50, however, the incidence among males increases due to prostate disorders.
Read more about this topic: Hemorrhagic Cystitis