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Retired NBME Step 2 CK Form 8 Answers

step2ck_form8/Block 1/Question#31 (reveal difficulty score)
The physician reads a news report about a 50% ...
Relative risk reduction ๐Ÿ” / ๐Ÿ“บ / ๐ŸŒณ / ๐Ÿ“–
tags: biostats

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submitted by โˆ—step_prep(148)
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Relative risk reduction = 1 โ€“ relative risk

= 1 โ€“ (.1/.2)

= 1 โ€“ 0.5

= 0.5

= 50%

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aoluwatayo  ARR = CONTROL - OBSERVED NNT = 1/ARR RR = OBSERVED/CONTROL RRR = 1-RR +2



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