case control studies

Question 1

what is a case control study

Answer 1

case = someone who has a part disease
control = someone who doesnt have a part disease

Question 2

when is a case control study commonly used

Answer 2

to find out the cause of a disease

Question 3

what are 3 challenges of CCSs

Answer 3

have to be sure from beginning you have correct cases
finding cases and control pts
finding from medical records/asking pts what risk factors pt was exposed to and making sure its reliable

Question 4

types of bias in CCSs

Answer 4

recall
comparing with RCTs there is no strict judgement on treatment
as its retrospective theres no way to control how risk factors are measured