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Evaluation of the nitrite and leukocyte esterase activity tests for the diagnosis of acute symptomatic urinary tract infection in men.

Koeijers, J.J., Kessels, A.G.H., Nys, S., Bartelds, A., Donker, G., Stobberingh, E., Verbon, A. Evaluation of the nitrite and leukocyte esterase activity tests for the diagnosis of acute symptomatic urinary tract infection in men. Clinical Infectious Diseases: 2007, 45(7), p. 894-896.
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For 422 male patients with symptoms indicative of a urinary tract infection, nitrite and leukocyte esterase activity dipstick test results were compared with results of culture of urine samples. The positive predictive value of a positive nitrite test result was 96%. Addition of results of the leukocyte esterase test did not improve the diagnostic accuracy of the nitrite test. (aut. ref.)
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