[R] cox.zph

[Gerrit Eichner]

Yes. :-)

  Best regards  --  Gerrit

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Am 31.03.2021 um 21:29 schrieb Sorkin, John:
> Colleagues,
> 
> I would like to make certain that my understanding of the tabular output produced by cox.zph is correct.
> 
> Am I correct that the NULL hypothesis being tested is that the hazard is proportional in time?  Therefor a non-significant result indicates that we don't have evidence that the proportional hazards assumption is incorrect and we can assume that the hazard is proportional. A significant result indicates that we have evidence that the proportional hazards assumption is violated.
> 
> Thank you,
> John
> 
> John David Sorkin M.D., Ph.D.
> Professor of Medicine
> Chief, Biostatistics and Informatics
> University of Maryland School of Medicine Division of Gerontology and Geriatric Medicine
> Baltimore VA Medical Center
> 10 North Greene Street
> GRECC (BT/18/GR)
> Baltimore, MD 21201-1524
> (Phone) 410-605-7119
> (Fax) 410-605-7913 (Please call phone number above prior to faxing)
> 
> 
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