In a nationwide study, 10% of the screening tests performed on patients with disease X resulted in false-negative outcomes, while 25% of the tests falsely identified healthy patients as having the disease. To determine the probability that a patient who tests positive for disease X actually does have the disease, what additional information is necessary?
(A) No additional information is necessary
(B) The incidence of the disease must be known
(C) The prevalence of the disease must be known
(D) The sensitivity of the test must be known
(E) The specificity of the test must be known
(A) No additional information is necessary
(B) The incidence of the disease must be known
(C) The prevalence of the disease must be known
(D) The sensitivity of the test must be known
(E) The specificity of the test must be known