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A new rapid blood test was created to test for human papillomavirus (HPV) in a rural clinic. The following is a 2 × 2 chart that describes the results of the test. Answer questions 1–7 using the 2 × 2 chart.
HPV No HPV Totals
Positive Test 95 37 132
Negative Test 39 278 317
Totals 134 315 449
1.What is the sensitivity of this test?
- What is the specificity of this test?
- What is the positive predictive value?
- What is the negative predictive value?
- Describe in words the sensitivity of this test.
- Describe in words the negative predictive value.
- What is the disease prevalence in this population?
