Question

Question 14 (1 point) The Table below illustrates a study conducted to determine the diagnostic value of CA-125 in the diagnosis of ovarian cancer. CA-125 test results Results greater than 212 ng/ml Patient Population Results greater than 212 ng/ml 65 6 Ovarian Cancer 785 56 Healthy population From the above data, calculate the False positive rate (FPR) of the test? a) 13.4 % b) 67.2 % c) 23.4 % d) 6.7%

Answer 1

False positive rate = false positive $\div$ false positive + true negative

                               = 56 $\div$56+ 785

                               = 6.65% can be equalled to 6.7%

Option d) is the correct answer