A new vaccine is developed that provides immunity to the virus causing abnormal cervical cells, and you
Question:
A new vaccine is developed that provides immunity to the virus causing abnormal cervical cells, and you reexamine data 2 years after the vaccine is implemented at your clinic. See the results in Table 4-4.
What is the PPV of the screen? Does a change in prevalence affect the PPV? How?
Transcribed Image Text:
TABLE 4-4 Test Positive Test Negative Totals Screening Test Results after Vaccine Implementation Abnormal Cells Present 180 20 200 Abnormal Cells Not Present 60 240 300 Totals 240 260 500
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180 240 75 PPV decreases ...View the full answer
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Related Book For
Statistics For Nursing A Practical Approach
ISBN: 9781284142013
3rd Edition
Authors: Elizabeth Heavey
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