Hypothetical breast cancer screening test: | Homework Help
The given table displays the results of the hypothetical Breast Cancer screening test
|
Results of a Hypothetical Screening Test for Breast Cancer Screening Test Don't use plagiarized sources. Get Your Custom Essay on
Hypothetical breast cancer screening test: | Homework Help
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|
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?
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