What Calculation Should Be Performed When Analyzing the Clinical Importance

question 21

Multiple Choice

What calculation should be performed when analyzing the clinical importance of categorical outcomes?

• A) 95% confidence interval
• B) Standard error
• C) Effect size
• D) Number needed to treat (NNT)

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Definitions:

Expected Value

The long-run average or mean value of random variables, weighted by their probabilities, representing the expected outcome of a random event.

Linear Relationship

A direct proportionality between two variables in which the change in one variable is directly proportional to the change in another, represented graphically as a straight line.

Relationship

A connection, association, or interaction between two or more variables, where changes in one variable affect the other(s).

Independent Variables

Refers to the inputs or predictors in a statistical model that are manipulated or selected by the researcher to determine their effect on the dependent variable.