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.
HPVNo HPVTotals
Positive Test 95 37 132
Negative Test 39 278 317
Totals 134 315 449
1.What is the sensitivity of this test?
2. What is the specificity of this test?
3. What is the positive predictive value?
4. What is the negative predictive value?
5. Describe in words the sensitivity of this test.
6. Describe in words the negative predictive value.
7. What is the disease prevalence in this population?