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Calculate the sensitivity-specificity-positive predictive

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Reference no: EM132464807

A screening test applied to 1500 subjects identified 250 of them as positive. On further investigation, 110 of these were found to have the disease being tested for. In subsequent follow-up, 20 of the subjects who tested negative developed the disease within a reasonably short time.

  • Calculate the sensitivity, specificity, and positive predictive value of the test.
  • Explain in words what a test specificity of 75% means?
  • Would you recommend using this screening test? Explain your answer.

Reference no: EM132464807

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