FDN2_MDM

Question 1

What is a marker of disease?

Answer 1

A risk factor that does not cause the disease

Question 2

In what scenario would you want to do a case-control analysis of a cohort study?

Answer 2

If there are additional variables you need to control for

Question 3

Why would you use multiple different control groups to analyze a case-control study?

Answer 3

To examine whether the results are sensitive to different control groups; if they are, there may be a systematic difference betweent the study group and the main control group

Question 4

What kind of diseases are case-control studies best suited for?

Answer 4

New onset (incident) cases; case-control studies are not good for studying prevalent disease

Question 5

What kind of study would you use to answer the question “How often do complications occur after laproscopic surgery?”

Answer 5

A cohort study

Prospective: Patients who just underwent surgery

Retrospective: Go back in time to find patients who had surgery, look forward in their records to see if there were complications

(You can’t use a case-control study to find incidence of complications)