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Case mix adjustment in nursing systems research: the case of resident outcomes in nursing homes. 1999

R A Anderson, and H F Su, and P C Hsieh, and C A Allred, and S Owensby, and G Joiner-Rogers
Duke University School of Nursing, DUMC 3322, Durham, NC 27710, USA.

Case mix indicates, for a resident population, the degree of risk for developing favorable or unfavorable outcomes. In a study of 164 nursing homes, we explored two methods for combining resident assessment data into a case mix index (CMI). We compared a facility-level, composite CMI to a prevalence-based CMI comprised of 22 separate resident characteristics for their adequacy in explaining resident outcomes. The prevalence-based CMI consistently explained more variance in outcomes than the facility level, composite CMI. This study indicates a reasonable method for using administrative databases containing resident assessment data to adjust for the influence of case mix on nursing home resident outcomes.

UI MeSH Term Description Entries
D009732 Nursing Care Care given to patients by nursing service personnel. Care, Nursing,Management, Nursing Care,Nursing Care Management
D009735 Nursing Homes Facilities which provide nursing supervision and limited medical care to persons who do not require hospitalization. Homes, Nursing,Nursing Home
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001523 Mental Disorders Psychiatric illness or diseases manifested by breakdowns in the adaptational process expressed primarily as abnormalities of thought, feeling, and behavior producing either distress or impairment of function. Mental Illness,Psychiatric Diseases,Psychiatric Disorders,Psychiatric Illness,Behavior Disorders,Diagnosis, Psychiatric,Mental Disorders, Severe,Psychiatric Diagnosis,Illness, Mental,Mental Disorder,Mental Disorder, Severe,Mental Illnesses,Psychiatric Disease,Psychiatric Disorder,Psychiatric Illnesses,Severe Mental Disorder,Severe Mental Disorders
D012307 Risk Factors An aspect of personal behavior or lifestyle, environmental exposure, inborn or inherited characteristic, which, based on epidemiological evidence, is known to be associated with a health-related condition considered important to prevent. Health Correlates,Risk Factor Scores,Risk Scores,Social Risk Factors,Population at Risk,Populations at Risk,Correlates, Health,Factor, Risk,Factor, Social Risk,Factors, Social Risk,Risk Factor,Risk Factor Score,Risk Factor, Social,Risk Factors, Social,Risk Score,Score, Risk,Score, Risk Factor,Social Risk Factor
D013781 Texas State bounded on the north by Oklahoma, on the east by Arkansas and Louisiana, on the south by Mexico, and on the west by New Mexico.
D015401 Nursing Administration Research Research concerned with establishing costs of nursing care, examining the relationships between nursing services and quality patient care, and viewing problems of nursing service delivery within the broader context of policy analysis and delivery of health services (from a national study, presented at the 1985 Council on Graduate Education for Administration in Nursing (CGEAN) meeting). Administration Research, Nursing,Nursing Research, Administrative,Research, Nursing Administration,Administrative Nursing Research,Research, Administrative Nursing,Administration Researchs, Nursing,Administrative Nursing Researchs,Nursing Administration Researchs,Nursing Researchs, Administrative,Researchs, Administrative Nursing,Researchs, Nursing Administration
D017063 Outcome Assessment, Health Care Research aimed at assessing the quality and effectiveness of health care as measured by the attainment of a specified end result or outcome. Measures include parameters such as improved health, lowered morbidity or mortality, and improvement of abnormal states (such as elevated blood pressure). Assessment, Outcome,Outcome Assessment,Outcome Assessment (Health Care),Outcomes Research,Assessment, Outcomes,Outcome Measures,Outcome Studies,Outcomes Assessment,Assessment, Outcome (Health Care),Assessments, Outcome,Assessments, Outcome (Health Care),Assessments, Outcomes,Measure, Outcome,Measures, Outcome,Outcome Assessments,Outcome Assessments (Health Care),Outcome Measure,Outcome Study,Outcomes Assessments,Research, Outcomes,Studies, Outcome,Study, Outcome
D050723 Fractures, Bone Breaks in bones. Bone Fractures,Broken Bones,Spiral Fractures,Torsion Fractures,Bone Fracture,Bone, Broken,Bones, Broken,Broken Bone,Fracture, Bone,Fracture, Spiral,Fracture, Torsion,Fractures, Spiral,Fractures, Torsion,Spiral Fracture,Torsion Fracture
D019984 Quality Indicators, Health Care Norms, criteria, standards, and other direct qualitative and quantitative measures used in determining the quality of health care. Global Trigger Tool, Healthcare,Health Metrics,Healthcare Global Trigger Tool,Quality Indicators, Healthcare,Health Metric,Healthcare Quality Indicator,Healthcare Quality Indicators,Indicator, Healthcare Quality,Indicators, Healthcare Quality,Metrics, Health,Quality Indicator, Healthcare

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