Fig. 3From: Changes in hemodialysis catheter management after introduction of the end-stage renal disease prospective payment systemQuarterly rates and 95% confidence intervals of delayed HD sessions, standardized for age, sex, race, dual eligibility, primary cause of ESRD, ESRD duration, and Liu comorbidity index (using Q1–2011 as the reference). CI, confidence interval; ESRD, end-stage renal disease; PPS, prospective payment systemBack to article page