Disease diagnosis is the basis and premise of clinical treatment and intervention,so diagnostic tests are an important part of clinical research.Correct understanding of the design points,evaluation principles and precautions of diagnostic tests can not only strengthen the knowledge of the connotation of diagnostic tests,but also avoid their wrong application.In addition,the application of clinical epidemiological methods to evaluate diagnostic tests helps to correctly recognize the value of diagnostic tests,scientifically interpret the results of diagnostic tests,and thus improve the diagnostic level of clinicians.This article starts with the concept of diagnostic tests,explains the design points and specifications of diagnostic tests,the basic principles of evaluation,the evaluation indexes of authenticity,reliability and clinical application value,and the methods to improve the effect of diagnostic tests,so as to provide reference for researchers to apply their diagnostic tests.
维普
万方数据