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3rd Year Summary > Evidence Based Medicine > Flashcards

Flashcards in Evidence Based Medicine Deck (7)
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1
Q

What are the aims of a cohort study?

A

Estimate of risk in a general population
Ability to pick up infrequent occurrences
Ability to find outcomes you hadn’t expected

2
Q

How is relative risk calculated?

A

Incidence in exposed/incidence in not exposed

3
Q

How is absolute risk calculated?

A

Risk in exposed group - Risk in not exposed group

4
Q

What is the difference between a case study and a cohort study?

A

Cohort: starts with study population and then go on to look at the outcomes of those exposed and not exposed

Case study: look at the outcomes in an exposed and unexposed group and then go back and look at the population “work backwards”

5
Q

What is a “P” value?

A

A numerical value indicating the probability that this observation has occurred due to chance

6
Q

What is the null hypothesis?

A

States that there is no difference between 2 groups

7
Q

What is Caldecott Guardian Approval?

A

Allows access to patient records without individual consent