Unsatisfactory performance of flow cytometer UF-100 and urine strips in predicting outcome of urine cultures.
UF-100 flow cytometer and urine strip results were cross-interpreted to predict culture outcomes. The best negative predictive value was obtained with bacteria at > or =1,000/microl, white blood cells at > or =20/microl, or leukocyte esterase positivity. Nine of 24 false negatives were clinically significant. Thus, UF-100 and urine strip results do not accurately predict the outcome of cultures.
Zaman
Z
Z
Department of Laboratory Medicine, University Hospitals Leuven, B-3000 Leuven, Belgium. Zahur.Zaman@uz.kuleven.ac.be
Roggeman
S
S
Verhaegen
J
J
D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D001419:Bacteria / Q000254:growth & development / Q000302:isolation & purification; D001424:Bacterial Infections / Q000382:microbiology; D002175:Candida / Q000254:growth & development / Q000302:isolation & purification; D002177:Candidiasis / Q000382:microbiology; D002648:Child; D002675:Child, Preschool; D015169:Colony Count, Microbial; D003470:Culture Media; D005260:Female; D005434:Flow Cytometry / Q000379:methods*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D011237:Predictive Value of Tests; D011934:Reagent Strips; D014552:Urinary Tract Infections / Q000175:diagnosis* / Q000382:microbiology*; D014556:Urine / Q000382:microbiology*
D003470:Culture Media; D011934:Reagent Strips