Figure 1.
Selection of study populations for assessment of quality measures related to pre–end-stage renal disease (ESRD) nephrology care, access to transplant (informed of transplant options, time to placement on the kidney transplant waitlist), and presence of a permanent vascular access for dialysis, among US patients in whom treatment was being initiated for ESRD attributed to lupus nephritis (LN), July 1, 2005–September 30, 2011.
