Providers' experience under case-mix demonstration is mixed.
D014487:Centers for Medicare and Medicaid Services, U.S.; D003625:Data Collection; D003953:Diagnosis-Related Groups / Q000191:economics*; D005069:Evaluation Studies as Topic; D006278:Medicare; D010865:Pilot Projects; D011445:Prospective Payment System; D012866:Skilled Nursing Facilities / Q000191:economics* / Q000706:statistics & numerical data; D014481:United States