Block 1 Evidence-Based Medicine Flashcards

1
Q

Hierarchy of evidence

A
Best: RDBCS
RCS
Cohort studies
Case control studies
Case series
Case reports
Ideas, editorials, opinions
Animal research
Worst: in vitro research
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2
Q

RRR

A

Relative risk reduction

(CER - EER) / CER

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3
Q

ARR

A

Absolute risk reduction

CER - EER

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4
Q

NNT

A

Numbers needed to treat

100 / ARR

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5
Q

NNH

A

Numbers needed to harm

100 / ARI

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6
Q

ARI

A

Absolute risk increase

EER - CER

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7
Q

CER & EER

A

Control & experimental event rate

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