Hospitals major driver of health care costs.
D000368:Aged; D005102:Health Expenditures / Q000639:trends*; D017721:Hospital Costs / Q000639:trends*; D006801:Humans; D007250:Inflation, Economic; D009741:Nursing Staff, Hospital / Q000191:economics / Q000600:supply & distribution; D011157:Population Dynamics; D012456:Salaries and Fringe Benefits / Q000639:trends; D014481:United States