Study design Flashcards

1
Q

What is a prospective cohort study?

A

Start with exposure + follow over time to check for a particular outcome

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2
Q

What is a retrospective cohort study?

A

Start with exposure at a point back in time + follow up time to check for a particular outcome (endpoint = now)

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3
Q

What is a case-control study?

A

Start with outcome + look back to determine what factors made this more likely

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4
Q

What is a randomised control trial?

A

Interventional trial that is investigator controlled

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5
Q

What is a systematic review?

A

Presents all published findings on a specific research question

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6
Q

What is a meta-analysis?

A

Statistical analysis of results of several trials (plotted in a forest point)

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7
Q

What is the calculation for sensitivity?

A

True positives/ total number with the disease

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8
Q

What is the calculation for specificity?

A

True negatives/ total number without the disease

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9
Q

What is the calculation for the positive predictive value?

A

True positives/ total number positive

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10
Q

What is the calculation for negative predictive value?

A

True negatives/ total number negative

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