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Validity of Information on Comorbidity Derived From ICD-9-CCM Administrative Data

Medical Care · 2002 · Vol. 40(8) · pp. 675–685

Hude Quan✉(University of Calgary)Gerry A. ParsonsWilliam A. Ghali✉(Calgary General Hospital)

Abstract

Administrative data generally agree with patient chart data for recording of comorbidities although comorbidities tend to be under-reported in administrative data. The ability to predict in-hospital mortality is less reliable for some of the individual comorbidities than it is for the summarized Charlson index scores in administrative data.

Medical Coding and Health Information Chronic Disease Management Strategies Emergency and Acute Care StudiesComorbidityMedicineOddsKappaCharlson comorbidity indexOdds ratioMinimum Data SetChartEmergency medicineDemography

MeSH terms

Abstracting and IndexingAlbertaCanadaDiseaseForms and Records ControlHospital AdministrationHumansMedical RecordsPatient DischargeSeverity of Illness IndexComorbidityPrevalenceHospital Mortality

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583

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44.22

field-weighted impact

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Incidence and Mortality of Acute Renal Failure in Medicare Beneficiaries, 1992 to 2001