Study design

Question 1

What is a prospective cohort study?

Answer 1

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

Question 2

What is a retrospective cohort study?

Answer 2

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

Question 3

What is a case-control study?

Answer 3

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

Question 4

What is a randomised control trial?

Answer 4

Interventional trial that is investigator controlled

Question 5

What is a systematic review?

Answer 5

Presents all published findings on a specific research question

Question 6

What is a meta-analysis?

Answer 6

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

Question 7

What is the calculation for sensitivity?

Answer 7

True positives/total number with the disease (true positive + false negative)

Question 8

What is the calculation for specificity?

Answer 8

True negatives/ total number without the disease (true negative + false positive)

Question 9

What is the calculation for the positive predictive value?

Answer 9

True positives/ total number positive (true & false positive)

Question 10

What is the calculation for negative predictive value?

Answer 10

True negatives/ total number negative (true & false negative)