Sensitivity, Specificity, And Likelihood Ratios, Oh My! Flashcards

1
Q

Why do we specifically measure these things?

A

To Dx and Px

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2
Q

What is the spectrum of likelihood ratios?

A

POSITIVE: Greater than 10 = large!, 5-10 = moderate, 2-5 = small, 1-2 not worth it.

NEGATIVE: 0.1 LARGE, 0.1-0.2 moderate, 0.2-0.5 small, 0.5 and above, NOT worth it.

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3
Q

Which would you want to see on a Sensitive Test with regard to Likelihood Ratio?

A

Negative - “If I get a negative, I know it’s a negative.” - “The likelihood of a fire in this house is LOW.”

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4
Q

Sensitivity allows us to identify persons _________ the condition. Specificity allows us to identify persons __________ the condition.

A

With, Without

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