Patient DischargePatient Discharge SummariesPatient ReadmissionLength of StayCaliforniaHospital MortalityUnited StatesRetrospective StudiesMedicareHospitalizationDiagnosis-Related GroupsAftercareVaginal DischargeHospital CostsHospitalsHeart FailureHospitalistsTime FactorsRisk FactorsOutcome Assessment (Health Care)Treatment OutcomeQuality of Health CareContinuity of Patient CarePatient AcuityOutcome and Process Assessment (Health Care)Quality Indicators, Health CarePatient AdmissionInpatientsHospitals, PsychiatricCohort StudiesFee-for-Service PlansProspective StudiesPostoperative ComplicationsInsurance Claim ReviewFollow-Up StudiesLogistic Models