Association of Medicare's Bundled Payment Reform With Changes in Use of Vitamin D Among Patients Receiving Maintenance Hemodialysis: An Interrupted Time-Series Analysis
Keywords: Vitamin D; vitamin D analogs; United States Renal Data System (USRDS); bundled payment; prospective payment system (PPS); interrupted time-series; payment reform; hemodialysis (HD); end-stage renal disease (ESRD); drug costs; Medicare; calcitriol; parical