title: Use of the leukocyte esterase and nitrite tests to determine the need for culturing urine specimens from a pediatric and adolescent population.
abstract: Using a commercially available dip stick 601 urine specimens were screened for leukocytes and bacteria by testing for the presence of leukocyte esterase and nitrite. The screening method was found to have a sensitivity of 88.7% and a predictive value of negative results of 98.5%.
mesh_terms: D000293:Adolescent; D000328:Adult; D001419:Bacteria / Q000302:isolation & purification; D001437:Bacteriuria / Q000175:diagnosis*; D002648:Child; D002675:Child, Preschool; D004950:Esterases / Q000097:blood / Q000652:urine*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007962:Leukocytes / Q000201:enzymology / Q000378:metabolism*; D009573:Nitrites / Q000097:blood / Q000652:urine*; D011934:Reagent Strips; D014552:Urinary Tract Infections / Q000175:diagnosis
chemical_list: D009573:Nitrites; D011934:Reagent Strips; D004950:Esterases