NBME 20 Answers : Block 1 : #43 = A randomized clinical trial is conducted to compare ...

nbme20/Block 1/Question#43

A randomized clinical trial is conducted to compare ...

Neither procedure is superior

+2 upvote downvote
submitted by strugglebus(43),

The CI value contained 1, which means that its insignificant

sympathetikey Correct. Per first aid: "If the 95% CI for odds ratio or relative risk includes 1, H0 is not rejected." +

xxabi Ah that makes more sense, thanks! +

-2 upvote downvote
submitted by xxabi(41),

I think its that the CI contained the number "0" which makes it statistically insignificant

kernicterusthefrog You're thinking about CI for a **mean difference** b/w 2 variables. This question talks about **relative risk**, for which 'strugglebus' correctly asserts that *a CI including 1 fails to reject the null hypothesis*. #funwithformatting +

xxabi Ahhhh you're right, I definitely had them mixed up! Thanks! +1

xxabi #biostatsisthebaneofmyexistence +