Sequential Design for Clinical Trials Evaluating a Prosthetic Heart Valve Cody Hamilton, PhD, Michael Lu, PhD, Steven Lewis, PhD, William Anderson, PhD The Annals of Thoracic Surgery Volume 93, Issue 4, Pages 1162-1166 (April 2012) DOI: 10.1016/j.athoracsur.2011.07.091 Copyright © 2012 The Society of Thoracic Surgeons Terms and Conditions
Fig 1 Expected sample size versus event rate for weight = 0.5. The Annals of Thoracic Surgery 2012 93, 1162-1166DOI: (10.1016/j.athoracsur.2011.07.091) Copyright © 2012 The Society of Thoracic Surgeons Terms and Conditions