Age-, sex-, race/ethnicity-, and insurance-adjusted probability of receipt of nephrology care prior to end-stage renal disease (ESRD) (A), probability of being informed of transplant options at the start of dialysis (B), rate of placement on the kidney transplant waitlist (C), and probability of a permanent vascular access used or in place at first dialysis (D), by US region defined according to Centers for Medicare & Medicaid Services ESRD Networks, among US patients in whom treatment was being initiated for ESRD attributed to lupus nephritis, July 1, 2005–September 30, 2011.