title: Data watch. HMO outpatients help keep hospitals afloat.
mesh_terms: D000553:Ambulatory Care / Q000145:classification / Q000706:statistics & numerical data; D003625:Data Collection; D006279:Health Maintenance Organizations / Q000706:statistics & numerical data*; D007348:Insurance, Health / Q000706:statistics & numerical data; D010044:Outpatient Clinics, Hospital / Q000706:statistics & numerical data*; D014481:United States