New findings provide guidance on using the instrumental variable approach
The instrumental variable approach is a statistical methodology that has been widely used in medical research. DOPPS researchers, led by Dr. Yun Li, have published new findings regarding the use of a preference-based instrumental variable approach in reducing the impact of unmeasured confounding in the journal Statistics in Medicine. Please click here to learn more about this publication

DOPPS Practice Monitor: Most Recent Trends in US Hemodialysis Practice
The Dialysis Outcomes and Practice Patterns Study (DOPPS) Practice Monitor (DPM) reports more than 800 regularly updated charts, figures, and data tables. Emerging trends in US hemodialysis (HD) practice through August 2014, based on a national sample of US dialysis facilities, are included in the latest DPM update. To learn more about the latest trends in dialysis care, please click here

Spleen volumes after living liver donation
Among adults who donate a portion of their liver for transplantation, clinical studies have drawn attention to persistently decreased platelet counts. Researchers with the Adult-to-Adult Living Donor Liver Transplantation Cohort Study (A2ALL) wanted to know whether low platelet counts caused enlarged spleens after liver donation. Click here to learn more 

United States Renal Data System releases Annual Data Report
Fewer new cases of end-stage renal disease are being reported in the United States and mortality rates are declining, indicating that patients on dialysis or with a kidney transplant are living longer. Please click here to learn more