NBME 21 Surgical procedure group: 400; Medical management group: 400 (NBME Answers)

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Retired NBME 21 Answers

nbme21/Block 3/Question#4 (reveal difficulty score)
A clinical trial is conducted to compare the ...
Surgical procedure group: 400; Medical management group: 400 🔍 / 📺 / 🌳 / 📖
tags: biostats

+26 upvote downvote
submitted by ∗sympathetikey(1600)

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• Per Protocol - Only include patients in the results who followed the protocol

• As treated - Data wise, only treat the subjects as they were treated (ex - if experimental patient does what the control patients are supposed to do, move that experimental patient to the control group

• Intention to treat - Include all patients in the groups they were originally randomized to

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+21 upvote downvote
submitted by ∗beeip(141)

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I might be the only person on earth who got this one wrong, but regardless:

"ITT analysis includes every subject who is randomized according to randomized treatment assignment. It ignores noncompliance, protocol deviations, withdrawal, and anything that happens after randomization."[1]

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yo You're not. I also goofed. +23

seagull https://www.youtube.com/watch?v=Kps3VzbykFQ This video is a pretty decent explination worth your time on the subject. +2

hungrybox I got it right but I was only like 50% sure. So I appreciate it. +

drdoom ^ linkifying @seagull: https://www.youtube.com/watch?v=Kps3VzbykFQ +2

teepot123 ^ same video above used when I analysed my form 20 q which I got incorrect at time, its very clear at explaining this, helping me get it correct on this form +

+1 upvote downvote
submitted by ∗sympathetikey(1600)

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• Per Protocol - Only include patients in the results who followed the protocol
• As treated - Data wise, only treat the subjects as they were treated (ex - if experimental patient does what the control patients are supposed to do, move that experimental patient to the control group

Intention to treat - Include all patients in the groups they were originally randomized to

get full access to all content ⋅ pick a username

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