Epi Equations Cramming Flashcards by Thomas Eraifej | Brainscape

Q

SE of single mean

A

SD/root(n)

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Q

SE of single proportion

A

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Q

95% CI for difference in means

A

Difference in means +/- 1.96 SE

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Q

Reference range

A

Mean +/- 1.96 SD

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Q

Net Monetary Benefit

A

NMB = (difference in effect * WTP) - difference in cost

WTP = willingness to pay threshold

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Q

Negative likelihood ratio

A

1 - sensitivity / specificity

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Q

Positive likelihood ratio

A

Sensitivity / 1 - specificity

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Q

Positive predictive value

A

True positives / All positive

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Q

Negative predictive value

A

True negatives / All negatives

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Q

Sensitivity

A

True positives / Total with disease

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Q

Specificity

A

True negatives / Total without disease

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