Some issues concerning the statistical evaluation of a screening test: the arfi ultrasound case

Massimo Attanasio, Marco Enea and Leonardo Rizzo

Statistica, 2010, vol. 70, issue 3, 311-322

Abstract: In this paper we analyze some issues concerning the statistical evaluation of a screening test for classification. The case study is ARFI, an ultrasound device recently introduced, and used for the evaluation of liver fibrosis. First, we present a simple statistical evaluation based on a novel index that compare two competitors with respect to a gold standard, and then we propose a procedure that determines a table with the “acceptable” number of measurements to get an “accurate” diagnosis using the ARFI device.

Date: 2010
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Persistent link: https://EconPapers.repec.org/RePEc:bot:rivsta:v:70:y:2010:i:3:p:311-322

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