Retrospective StudiesMortalityHospital MortalityTreatment OutcomeInfant MortalityFollow-Up StudiesCause of DeathTime FactorsCohort StudiesSurvival RatePrognosisSurvival AnalysisRisk FactorsIncidenceInfant, NewbornAge FactorsPostoperative ComplicationsChild MortalityProportional Hazards ModelsMaternal MortalityRisk AssessmentProspective StudiesLength of StayUnited StatesMultivariate AnalysisPredictive Value of TestsKaplan-Meier EstimateAge DistributionPregnancySeverity of Illness IndexSex FactorsSex DistributionLogistic ModelsChi-Square DistributionPrevalenceCardiovascular DiseasesRegistriesRecurrencePerinatal MortalityComorbidityMorbidityNeoplasmsMortality, PrematureTomography, X-Ray ComputedIntensive Care UnitsRiskRegression AnalysisFranceSensitivity and SpecificityNeoplasm StagingReoperationOdds RatioEnglandEpidemiologic MethodsAcute DiseaseBrazilDeath CertificatesJapanFetal MortalityKidney Failure, ChronicHospitals, UniversityMyocardial InfarctionOutcome Assessment (Health Care)IndiaWounds and InjuriesHong KongRenal DialysisPoisson DistributionHospitals, TeachingTertiary Care CentersItalyConfidence IntervalsPregnancy OutcomeAnti-Bacterial AgentsDatabases, FactualSeasonsChronic DiseaseNeoplasm Recurrence, LocalLife ExpectancyReproducibility of ResultsCombined Modality TherapyMedical RecordsBiological MarkersSepsisGreat BritainLongitudinal StudiesIntensive CareStatistics, NonparametricCase-Control StudiesSpainSwedenCritical IllnessDisease-Free SurvivalDisease ProgressionStrokeOccupational DiseasesLung NeoplasmsPatient AdmissionSmokingChina