STATISTICS Flashcards

1
Q

How is SENSITIVITY calculated?

A

TP/ (TP+FN)

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2
Q

How is SPECIFICITY calculated?

A

TN/ (TN+FP)

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3
Q

How is PPV calculated?

A

TP/ (TP+FP)

ALL THE POSITIVES

The PPV is the probability that a positive result means you have the disease

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4
Q

How is NPV calculated?

A

TN/ (TN+FN)

ALL THE NEGATIVES

The chance that a negative test result means you do not have the disease

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