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PubMed · 4078016

Leucocyte esterase-nitrite screening method for pyuria and bacteriuria.

E G Wilkins·J G Ratcliffe·C Roberts
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Abstract

The value of the one minute leucocyte esterase-nitrite chemical strips as a screening procedure for detecting appreciable levels of pyuria and bacteriuria was assessed by comparison with microscopy and culture results. The likelihood that a negative leucocyte esterase result indicated less than 10 white cells/cu mm by microscopy (the negative predictive value), was 90.1% and that a negative nitrite result indicated less than 10(5) organisms/ml was 91.3%. There were many false positive results with both tests, however, and the overall predictive value of a positive leucocyte esterase or nitrite test, or both, was low. The leucocyte esterase-nitrite strip was neither sufficiently sensitive nor specific enough to be used as a cost effective method for screening urines in the laboratory.

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BacteriuriaEsterasesFalse Positive ReactionsFemaleHumansLeukocyte CountLeukocytesMaleNitritesPyuriaReagent StripsComparative StudyJournal Article

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BibTeXRIS

E G Wilkins, J G Ratcliffe, C Roberts. 1985. Leucocyte esterase-nitrite screening method for pyuria and bacteriuria.. https://doi.org/10.1136/jcp.38.12.1342

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