Discussion of "A Risk-Based Measure of Time-Varying Prognostic Discrimination for Survival Models," by C. Jason Liang and Patrick J. Heagerty

Published in: Biometrics, 2016

Posted on RAND.org on January 10, 2017

by Layla Parast, Carolyn M. Rutter

This article discusses a proposed risk-based measure of time-varying discrimination for determining the value of predictors in time-to-event models. The discussion focuses on use of the proposed method to determine the added value of intermediate event information for improving prediction of long-term outcomes and an alternative approach for confidence interval estimation.

This report is part of the RAND Corporation External publication series. Many RAND studies are published in peer-reviewed scholarly journals, as chapters in commercial books, or as documents published by other organizations.

The RAND Corporation is a nonprofit institution that helps improve policy and decisionmaking through research and analysis. RAND's publications do not necessarily reflect the opinions of its research clients and sponsors.