View reference
Charlson ME, Pompei P, Ales KL, MacKenzie CR.
A new method of classifying prognostic comorbidity in longitudinal studies: development and validation.
J Chronic Dis
1987;40(5):373-383. [Abstract]
Keywords
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Actuarial Analysis
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age factors
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Breast Neoplasms
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comorbidity
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Death
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Disease
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effectiveness
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efficacy
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epidemiologic methods
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epidemiology
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Evaluation Studies
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Female
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Follow-Up Studies
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health policy
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Health Services
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health services research
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Humans
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longitudinal studies
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methods
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morbidity
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mortality
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New York City
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Outcome and Process Assessment (Health Care)
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Patients
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population
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Prognosis
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prospective studies
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quality of care
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Quality of Health Care
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Research
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research design
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Research Support
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risk
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United States
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utilization
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Utilization Review
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variations
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