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NBME 22 Answers

nbme22/Block 2/Question#26

A randomized controlled trial is conducted to ...

(194/2371) – (123/2365)

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Absolute risk reduction = (Risk in control) - (Risk in experimental). In this case, the risk in the control group is calculated by the number who had an infarction (194) divided by the total (194/2371). Likewise, for the experimental group, (194/2365). This is answer choice B.

adisdiadochokinetic  Whoops, second parenthesis should be 123/2365, sorry! +