Patients Taking Warfarin Need to Be Educated About the Vitamin

question 21

Multiple Choice

Patients taking warfarin need to be educated about the vitamin K content of foods to avoid therapeutic failure. Foods high in vitamin K that should be limited to no more than one serving per day include:

• A) Spinach
• B) Milk
• C) Romaine lettuce
• D) Cauliflower

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Definitions:

Statistical Evidence

Data and information gathered from statistical analyses that support or reject hypotheses, used to make conclusions or inferences about the characteristics of populations.

P-Value

The probability of obtaining test results at least as extreme as the results observed, assuming that the null hypothesis is correct.

Alpha (α)

In hypothesis testing, the threshold probability for incorrectly rejecting the null hypothesis, representing the level of significance of the test.

Beta (β)

In statistics, it often represents the probability of committing a Type II error, or in regression, it denotes the slope coefficients representing the change in the dependent variable for a one-unit change in the independent variable.