1. Volume 84, Issue 2, Pages 390-396 (August 2013)
A history of chronic opioid usage prior to kidney transplantation may be associated with increased mortality risk 
Fidel Barrantes, Fu L. Luan, Mallika Kommareddi, Kareem Alazem, Tareq Yaqub, Randy S. Roth, Randall S. Sung, Diane M. Cibrik, Peter Song, Millie Samaniego 
Kidney International 
Volume 84, Issue 2, Pages (August 2013)
DOI: /ki
Copyright © 2013 International Society of Nephrology Terms and Conditions

2. Figure 1
Self-reported chronic pain and chronic opioid usage prior to transplantation. (a) Distribution of chronic pain and (b) type of opioid analgesics used by patients.
Kidney International  , DOI: ( /ki )
Copyright © 2013 International Society of Nephrology Terms and Conditions

3. Figure 2
Kaplan–Meier patient and kidney graft survival analysis. COU, chronic opioid usage.
Kidney International  , DOI: ( /ki )
Copyright © 2013 International Society of Nephrology Terms and Conditions

4. Figure 3
Patient survival after transplantation. (a) Cumulative incidence of death at 1, 3, and 5 years and (b) overall Kaplan–Meier patient survival analysis. COU, chronic opioid usage.
Kidney International  , DOI: ( /ki )
Copyright © 2013 International Society of Nephrology Terms and Conditions