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During the past decade, many studies have assessed the prevalence of urinary tract infection (UTI) in children with fever. Investigators conducted a meta-analysis of data from 18 such studies (involving 22,919 children with UTI symptoms) to determine pooled estimates of UTI prevalence in children.
Among febrile infants younger than 3 months (14 studies), prevalence of UTI was 8.7% in boys and 7.5% in girls; it was substantially higher in uncircumcised boys than in circumcised boys (20.1% vs. 2.4%). Among febrile infants aged 3 to 6 months (4 studies), prevalence was 5.7% in girls and 3.3% in boys. Among febrile infants aged 6 to 12 months (4 studies), prevalence was 5.4%, and was higher in uncircumcised boys than in circumcised boys (7.3% vs…