학술논문

Randomised comparisons of medical tests: sometimes invalid,not always efficient.
Document Type
Article
Source
Lancet. 11/25/2000, Vol. 356 Issue 9244, p1844. 4p. 2 Diagrams.
Subject
*EVALUATION of clinical trials
*MEDICAL function tests
*PROGNOSIS
*CLINICAL medicine
*METHODOLOGY
Language
ISSN
0140-6736
Abstract
Discusses diagnostic procedures and the clinical value of diagnostic tests. Advantage of randomized comparisons over other methods of assessing medical interventions; How tests affect patient outcome; Need for creativity in trial design; Concern about validity and efficiency when two tests are compared; Difficulties in translating trial results into clinical practice.