Comorbidity and confounding in end-stage renal disease Stephen L. Seliger Kidney International Volume 77, Issue 2, Pages 83-85 (January 2010) DOI: 10.1038/ki.2009.431 Copyright © 2010 International Society of Nephrology Terms and Conditions
Figure 1 Relationship of confounder with exposure and outcome. A confounder (e.g., comorbidity) is related to both the exposure and the outcome of interest. Kidney International 2010 77, 83-85DOI: (10.1038/ki.2009.431) Copyright © 2010 International Society of Nephrology Terms and Conditions