How does severity of disease affect diagnostic performance

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Problem

In the study described above that examined the use of the urine dipstick for diagnosis of UTI, the authors stratified the results based on degree of pyuria. The results of this analysis appear in the table below: Degree of Pyruria (Leukocytes per High Power Field) Sensitivity Specificity 0 0.50 0.90 1 to 5 0.68 0.68 > 5 1.00 0.22. Get the instant assignment help. How does severity of disease affect the diagnostic performance characteristics of the urine dipstick?

Reference no: EM134001476

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