Patient DischargePatient Discharge SummariesLength of StayCaliforniaHospital MortalityUnited StatesHospitals, TeachingHospitals, GeneralHospitals, UniversityHospital CostsHospitals, UrbanNursing Staff, HospitalEconomics, HospitalHospitals, PediatricHospital Bed CapacityHospitalizationHospitals, SpecialHospitals, DistrictRetrospective StudiesEmergency Service, HospitalHospitals, PrivateHospital ChargesFinancial Management, HospitalHospital RecordsVaginal DischargeHospitals, PsychiatricHospital PlanningHospital DepartmentsHospital UnitsPatient ReadmissionPatient AdmissionTime FactorsProspective StudiesHospital Bed Capacity, 500 and overEquipment and Supplies, HospitalInpatientsSurgery Department, HospitalLibraries, HospitalOutpatient Clinics, HospitalDiagnosis-Related GroupsHospitals, CountyInfant, NewbornHospital Information SystemsRisk Factors