title: On grouping hospitals for economic analysis.
mesh_terms: D001771:Blood Banks; D003365:Costs and Cost Analysis; D004469:Economics, Hospital; D006276:Health Facility Size; D006748:Hospital Departments; D006757:Hospital Units; D006764:Hospitals, Community; D006769:Hospitals, General / Q000145:classification* / Q000706:statistics & numerical data; D007753:Laboratories; D007902:Length of Stay; D010044:Outpatient Clinics, Hospital; D010067:Ownership; D013223:Statistics as Topic; D014481:United States