This website provides information about Etiologic Predictive Value (EPV) including the reason for constructing it. Click in the menu for more information. If EPV is unfamiliar to you click on "Introduction".
    Important definitions are found in the FAQ-area. If you want to calculate EPV using your own data an EPV-calculator (that also works off line) is provided. If you have problems with accessing our home page please go to our browse page!