Prediction research is becoming increasing popular; however, the differences between traditional explanatory research and prediction research are often poorly understood, resulting in a wide variation in the methodologic quality of prediction research. This primer describes the basic methods for conducting prediction research in gastroenterology and highlights differences between traditional explanatory research and predictive research.
1Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
2Veterans Affairs Center for Clinical Management Research, Ann Arbor, Michigan, USA
3Department of Internal Medicine, UT Southwestern Medical Center, Dallas, Texas, USA
4Department of Clinical Sciences, University of Texas Southwestern, Dallas, Texas, USA
*Correspondence: Akbar K. Waljee, MD, MS, Veterans Affairs Center for Clinical Management Research, Ann Arbor VA Medical Center, 2215 Fuller Road, 111D, Ann Arbor, Michigan 48105, USA. E-mail: awaljee@med.umich.edu
Received 20 June 13; revised 26 September 13; accepted 6 November 13
published online 26 December 2013
