Hospital Units: Those areas of the hospital organization not considered departments which provide specialized patient care. They include various hospital special care wards.Nursing Staff, Hospital: Personnel who provide nursing service to patients in a hospital.Hospitals: Institutions with an organized medical staff which provide medical care to patients.Cross Infection: Any infection which a patient contracts in a health-care institution.Hospitals, Teaching: Hospitals engaged in educational and research programs, as well as providing medical care to the patients.Hospitals, General: Large hospitals with a resident medical staff which provides continuous care to maternity, surgical and medical patients.Hospitals, University: Hospitals maintained by a university for the teaching of medical students, postgraduate training programs, and clinical research.Hospital Costs: The expenses incurred by a hospital in providing care. The hospital costs attributed to a particular patient care episode include the direct costs plus an appropriate proportion of the overhead for administration, personnel, building maintenance, equipment, etc. Hospital costs are one of the factors which determine HOSPITAL CHARGES (the price the hospital sets for its services).Intensive Care Units: Hospital units providing continuous surveillance and care to acutely ill patients.Hospitals, Urban: Hospitals located in metropolitan areas.Economics, Hospital: Economic aspects related to the management and operation of a hospital.Hospitals, Pediatric: Special hospitals which provide care for ill children.Hospital Bed Capacity: The number of beds which a hospital has been designed and constructed to contain. It may also refer to the number of beds set up and staffed for use.Hospitals, Special: Hospitals which provide care for a single category of illness with facilities and staff directed toward a specific service.Hospitals, District: Government-controlled hospitals which represent the major health facility for a designated geographic area.Hospitals, Private: A class of hospitals that includes profit or not-for-profit hospitals that are controlled by a legal entity other than a government agency. (Hospital Administration Terminology, AHA, 2d ed)Financial Management, Hospital: The obtaining and management of funds for hospital needs and responsibility for fiscal affairs.Length of Stay: The period of confinement of a patient to a hospital or other health facility.Emergency Service, Hospital: Hospital department responsible for the administration and provision of immediate medical or surgical care to the emergency patient.