Sensitivity and specificity are properties of the test itself, whereas predictive values depend on prevalence. In a low-prevalence population the positive predictive value falls and false positives increase, even with the same test. This is the central concept in interpreting screening tests.
학습 참고용입니다. 실제 임상은 최신 지침과 소속 기관 프로토콜을 따르세요.