Background: evaluation instruments, properties, selection indicators, application and validation of screening and diagnostic tests. Aim: to present some concepts concerning screening and diagnostic tests and their application according to a specific purpose. To present a few practical examples of the application of these instruments related to human communication, as well as to present validati...

OBJECTIVE To review the test characteristics and the quality of evidence regarding available screening tests for the detection of amblyopia in preschool-aged children to help primary care practitioners select a screening strategy. DESIGN Systematic review of published studies. DATA SOURCES The MEDLINE database was searched from 1966 through January 1999 using a broad and inclusive strategy....

BACKGROUND Consideration of expanded carrier screening has become an emerging issue for governments. However, traditional criteria for decision-making regarding screening programs do not incorporate all the issues relevant to expanded carrier screening. Further, there is a lack of consistent guidance in the literature regarding the development of appropriate criteria for government assessment o...

AIM Diabetes is a serious global health problem. A simple and effective screening tool should have substantial public health benefit. We investigated the performance of the latest American Diabetes Association diabetes screening methods in our aging Chinese population. METHODS Subjects without diabetes who returned for the 4th Hong Kong Cardiovascular Risk Factors Prevalence Study in 2010-201...