Urine testing and urinary tract infections in febrile infants seen in office settings: the Pediatric Research in Office Settings' Febrile Infant Study.

Objective: To determine the predictors and results of urine testing of young febrile infants seen in office settings.

Design: Prospective cohort study.

Setting: Offices of 573 pediatric practitioners from 219 practices in the American Academy of Pediatrics Pediatric Research in Office Settings' research network.