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  • Image to Table JMP extension imports single or batch images as data tables. Useful to extract curves from pictures or convert image data to curve data to use in analyses like Functional Data Explorer. Download and install the extension.

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rakhi_baj
rakhi_baj
Level I

Calculating Sample Size for survival analysis

Apr 26, 2017 11:04 AM (5541 views)

Hi,

I'm trying to calculate a sample size for survival analysis in Oncology. If I assume a constant hazard ratio and I have an estimate of overall survival (OS) and if I'm assuming that I need, say 80% power, how do I calcualate sample size in SAS JMP? 

 

Any ideas?

 

Thanks,

Rakhi 

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1 REPLY 1
DonMcCormack
Staff DonMcCormack
Staff

Re: Calculating Sample Size for survival analysis

Apr 27, 2017 10:55 AM (5514 views)  |  Posted in reply to message from rakhi_baj 04-26-2017

Rakhi,

Can you provide a few more details? Are you comparing treatments? How many? Are their other factors that you're comparing or are you stratifying your subjects?  

Thanks, Don

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