Responsiveness and interpretation of a symptom severity index specific to upper gastrointestinal disorders Dennis A. Revicki, Anne M. Rentz, Jan Tack, Vincenzo Stanghellini, Nicholas J. Talley, Peter Kahrilas, Christine de la Loge, Elyse Trudeau, Dominique Dubois Clinical Gastroenterology and Hepatology Volume 2, Issue 9, Pages 769-777 (September 2004) DOI: 10.1016/S1542-3565(04)00348-9 Copyright © 2004 American Gastroenterological Association Terms and Conditions
Figure 1 Mean PAGI-SYM scores by global disease severity in the GERD sample. ANCOVA model, baseline data, adjusted for age and gender. Clinical Gastroenterology and Hepatology 2004 2, 769-777DOI: (10.1016/S1542-3565(04)00348-9) Copyright © 2004 American Gastroenterological Association Terms and Conditions
Clinical Gastroenterology and Hepatology 2004 2, 769-777DOI: (10 Clinical Gastroenterology and Hepatology 2004 2, 769-777DOI: (10.1016/S1542-3565(04)00348-9) Copyright © 2004 American Gastroenterological Association Terms and Conditions