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VinnyR
Calcite | Level 5

Hi I am expected to produce a table as following  as attached. I would really appreciate if somebody could help me by letting me know how to calculate standardized difference and p value highlighted in the attached image.

 

 

Any help is really appreciated.

 

Capture.PNG

3 REPLIES 3
PaigeMiller
Diamond | Level 26

I'm not 100% sure what "standardized difference" is, and the the attached image isn't all that definitive either, but these tests look like t-tests, which you can produce via PROC TTEST. But that's a guess, and I don't really like guessing ... because sometimes I get it wrong and that wastes everybody's time.

 

Can you provide more information about what this table is doing, specifically p-value for what? And what XX.X (XX.XX) really means? I note that you asked about a table like this before (https://communities.sas.com/t5/SAS-Programming/P-value-for-this-situation/m-p/579958) and never provided additional information. Because without additional information, we can't proceed.

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Paige Miller
VinnyR
Calcite | Level 5

Hi Paige,

 

xx.x (xx.xx) are the mean and sd [Mean (SD)], in which mean will be  presented with maximum one decimal and Standard Deviation (sd) will be presented with maximum 2 decimal points.

 

This table is to show "Summary of Demographics and other baseline characteristics".  The purpose is to present the summary statistics and the standardized Difference and the p-value to compare the control drug with the study drug 

 

Thanks,

Vinny

PaigeMiller
Diamond | Level 26

Is the thing you are measuring continuous (like temperature)? Is it normally distributed? P-value for what hypothesis?

 

Please explain what this is all about. Don't make us guess.

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Paige Miller

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