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@ All forum members , Biostatistic help needed . - bugguy19
#81
sorry ,HCV, chronic carrier.
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#82
http://www.usmleforum.com/showthread.php?tid=811119 so tell me why Fomite then?
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#83
This video will help you: https://www.youtube.com/watch?v=CMw-bTds1XE

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#84
Answer is E. regard less of the infection type. I think the researcher. Here will be able to calculate the incidence ,
Right ???

Thank you cardio
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#85
Rt *E*
@bug my pleasure. Can you tell me if post helping you?
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#86
@cardio , I can't thank you enough for your great questions and your precious time , please keep it up , this is my only Bs review. Smile
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#87
Hello bug! NPSmile just wanna make sure ATP not evaporating here.
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http://i.imgur.com/7OFwbOW.png?1
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#88
Incidence among smoker = 0.12
Incidence among non smoker 0.01

Attributable risk = incidence among exposed-incidence among non exposed
Attributable risk = 0.12-0.01 = 0.11

Thank you
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#89
Bug, let’s just try to understand How much of the dz that occurs can be attributed to a certain exposure? This is answered by another measure of “risk”, the Attributable Risk(AR). We def AR amount or proportion of dz incidence (or disease risk) that can be attributed to a specific EXP.
Incidence in “E”xposed group - Incidence in NON-exposed group = AR let plug it in -> (120/100,000) − (10/100,000) = 110/100,000 ->0.0012 -0.0001 = 0.0011 here you AR. Im asking percentage of lung cancer that can be attributed to smoking. So beside math you gone have to take one more formula to get home and what I ask ; Incidence in “E”xposed group - Incidence in NON-exposed group / Incidence in “E”xposed group X 100 lets plug it in (120/100,000) − (10/100,000) /120/100,000 = 0.0011/0.0012 = 0.9166 X 100 -> 91.6 ~ AR% of the incidence of a disease in the “exposED” that is due to the “exposURE” -> 92%Smile *B*
Cheers!
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#90
http://i.imgur.com/kscN8wI.png?1 ? Exp your reasoning.
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