1. Do Income Level and Race Influence Survival in Patients Receiving Hemodialysis? 
Eric L. Eisenstein, DBA, Jie L. Sun, MS, Kevin J. Anstrom, PhD, Judith A. Stafford, MS, Lynda A. Szczech, MD, MSce, Lawrence H. Muhlbaier, PhD, Daniel B. Mark, MD, MPH 
The American Journal of Medicine 
Volume 122, Issue 2, Pages (February 2009)
DOI: /j.amjmed
Copyright © 2009 Elsevier Inc. Terms and Conditions

2. Figure 1
HRs for the lower- and upper-income stratum versus middle-income before and after adjustment. SES = socioeconomic status.
The American Journal of Medicine  , DOI: ( /j.amjmed )
Copyright © 2009 Elsevier Inc. Terms and Conditions

3. Figure 2
HRs by race and income group compared with other race middle-income group. SES=socioeconomic status.
The American Journal of Medicine  , DOI: ( /j.amjmed )
Copyright © 2009 Elsevier Inc. Terms and Conditions