Sensitivity × PPV is a recognized test called the clinical utility index (CUI+)

Excerpt

I was pleased to see the article by Ostergaard et al. published in EJE (2010; 25:151–154). Few psychiatrists have taken an interest in the statistics of screening but it is clearly an important area for all clinicians interested in diagnostic tests. However, I was surprised that the authors propose to label the product of sensitivity and positive predictive value (se × PPV) “screening marker index” when I developed and named this test over 4 years previously. Our group and other independent researchers have extensively cited this test with its original name, the “clinical utility index” (CUI) in at least 10 peer reviewed articles to date [1–11]. We have also made its validation freely available online [12] and included it in several book chapters [13]. …