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Purpose Category
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Definition
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Causation (Etiology)
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Content pertains directly to determining if there is an association between an exposure
and a disease or condition. The question is "What causes people to get a disease
or condition?"
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Prognosis
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Content pertains directly to the prediction of the clinical course or the natural
history of a disease or condition with the disease or condition existing at the
beginning of the study.
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Diagnosis
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Content pertains directly to using a tool to arrive at a diagnosis of a disease
or condition.
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Therapy
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Content pertains directly to an intervention for therapy (including adverse effects
studies), prevention, rehabilitation, quality improvement, or continuing medical
education.
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Costs
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Content pertains directly to the costs or financing or economics of a health care
issue.
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Economics
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Content pertains directly to the economics of a health care issue (subset of cost
articles).
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Clinical Prediction Guide
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Content pertains directly to the prediction of some aspect of a disease or condition.
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Qualitative
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Content relates to how people feel or experience certain situations, and data collection
methods and analyses are appropriate for qualitative data.
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Something else
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Content of the study does not fit any of the above definitions.
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