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Definitions (67)
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Absolute risk difference
The difference in the risk for disease or death between an exposed population and an unexposed population. Absolute risk reduction (ARR)
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ADJUSTMENT
A summarizing procedure for a statistical measure in which the effects of differences in composition of the populations being compared have been minimized by statistical methods.
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association
Statistical dependence between two or more events, characteristics, or other variables. An association may be fortuitous or may be produced by various other circumstances; the presence of an associati [..]
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Association​
Statistical dependence between two or more events, characteristics, or other variables. An association may be fortuitous or may be produced by various other circumstances; the presence of an associati [..]
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bias
Deviation of results or inferences from the truth, or processes leading to such deviation. See also Referral Bias, Selection Bias
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Blind(ed) study
A study in which observer(s) and/or subjects are kept ignorant of the group to which the subjects are assigned, as in an experimental study, or of the population from which the subjects come, as in a [..]
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Case-series
Report of a number of cases of disease.
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case-control study
Retrospective comparison of exposures of persons with disease with those of persons without the disease (See Retrospective study).
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Case-series
A report on a series of patients with an outcome of interest. No control group is involved.
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CER
Control Event Rate: see Event Rate.
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