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Urinary tract infections (UTIs) account for 5% to 14% of visits to pediatric emergency departments in the U.S. Researchers evaluated the diagnostic accuracy of various symptoms and signs of UTI in infants (aged 0–24 months) and children (aged 2–15 years) using pooled data from 12 studies (involving nearly 9000 patients) identified in a search of the medical literature from 1966 through 2007.
UTI was defined as recovery of any organism from a suprapubic specimen, or presence of at least 50,000 colony-forming units (CFUs)/mL from a catheterized urine specimen, or presence of at least 100,000 CFUs/mL from a clean-catch urine specimen. In infants with fever, the findings that were most useful for identifying patients with UTIs were history of UT…