Urinalysis;

Evaluation of the accuracy of leukocyte esterase testing to detect pyuria in young febrile children: prospective study Objective. To study the accuracy and clinical application of the dipstick leukocyte esterase test in the detection of pyuria in young febrile children suspected to have urinary tract infection. Design. Prospective study. Setting. Regional hospital, Hong Kong. Patients. Urine samples were taken from 215 children younger than 2 years who were suspected to have urinary tract infection (fever without an obvious focus of infection). Main outcome measures. The accuracy of the dipstick leukocyte esterase test in detecting significant pyuria defined as a leukocyte count ‡ 10 mm3 ( ‡ 0.01 x 109 /L)