Do Interference-Based Cut-Points Differentiate Mild, Moderate, and Severe Levels of 16 Cancer-Related Symptoms Over Time? Sangchoon Jeon, MS, Charles W. Given, PhD, Alla Sikorskii, PhD, Barbara Given, PhD, RN, FAAN Journal of Pain and Symptom Management Volume 37, Issue 2, Pages 220-232 (February 2009) DOI: 10.1016/j.jpainsymman.2008.01.010 Copyright © 2009 U.S. Cancer Pain Relief Committee Terms and Conditions
Fig. 1 Flowchart of patient accrual and retention for the two trials. Journal of Pain and Symptom Management 2009 37, 220-232DOI: (10.1016/j.jpainsymman.2008.01.010) Copyright © 2009 U.S. Cancer Pain Relief Committee Terms and Conditions