Hypothetical breast cancer screening test:

Reference no: EM1313756

The given table displays the results of the hypothetical Breast Cancer screening test

Results of a Hypothetical Screening Test for Breast Cancer Screening Test	Cancer confirmed	Cancer not confirmed	Total
Positive	133	982	1,115
Negative	46	63,649	63,695
Total	178	64,632	64,810

a) Determine the sensitivity of this test and explain what this means

b) Determine the specificity of this test and explain what this means

c) Determine the positive predictive value and explain what this means

d) If the preclinical prevalence of breast cancer increased in the screened population would you expect the positive predictive value to increase, decrease or remain unaltered? Why?

e) If the sensitivity of this test improved within the screened population would you expect the positive predictive value to increase, decrease or remain unaltered? Why?

Reference no: EM1313756

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