In a study of 'communicating the significance of radiologic test results' by Black and Armstrong (1986), the use of likelihood ratios is very important to the work of the radiologist (source: http:/ / www.ajronline.org/ cgi/ reprint/ 147/ 6/ 1313). Why?
A) Because it provides a reliable predictor of disease probability.
B) Because it assists with computation of the result.
C) Because it has a low predictive power.
D) None of the above.

Question

Quizplus · Accepted Answer

Likelihood ratios are important because they help in determining how much a test result will change the probability of having a disease, thus providing a reliable predictor of disease probability.

In a Study of 'Communicating the Significance of Radiologic Test