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ArchanaSudhir
Obsidian | Level 7

HI,

Is there a difference for p value log rank test calculated from proc phreg vs proc lifetest?

 

Thanks,

Archana

1 ACCEPTED SOLUTION

Accepted Solutions
rahul88888
Obsidian | Level 7

Proc Lifetest gives nonparametric product-limit (Kaplan-Meier) or lifetable estimate.
while Proc PHreg does proportional hazards regression to estimate ratio.

Notes to the same can be found at the following link

http://www.ats.ucla.edu/stat/sas/seminars/sas_survival/

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1 REPLY 1
rahul88888
Obsidian | Level 7

Proc Lifetest gives nonparametric product-limit (Kaplan-Meier) or lifetable estimate.
while Proc PHreg does proportional hazards regression to estimate ratio.

Notes to the same can be found at the following link

http://www.ats.ucla.edu/stat/sas/seminars/sas_survival/

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