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aaa Step 2CK: Psychology, Ethics, & Biostats > Biostats > Flashcards

Biostats Flashcards

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1
Q

Odds ratio

A
  1. Odds of exposure in cases relative to exposure in controls
  2. Odds of a disease among exposed patients relative to non exposed
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2
Q

Calculating odds ratio

A

OR= (odds of disease in treatment group)/ (odds of disease in control group)

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3
Q

Hazard ratio

A

HR= (hazard rate in the intervention group)/ (hazard rate in the control group)

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4
Q

Absolute risk reduction

A

ARR= control rate- treatment rate

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5
Q

relative risk reduction

A

RRR= ARR/ control rate

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6
Q

Reactive risk

A

RR= treatment rate/ control rate

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7
Q

Number needed to treat

A

NTT= 1/ ARR

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aaa Step 2CK: Psychology, Ethics, & Biostats (10 decks)

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