Are inpatient cost increases linked to utilization or other factors?
D003625:Data Collection; D017598:Efficiency, Organizational; D017721:Hospital Costs / Q000706:statistics & numerical data / Q000639:trends*; D006801:Humans; D007902:Length of Stay / Q000706:statistics & numerical data / Q000639:trends; D006278:Medicare / Q000191:economics; D014481:United States