Trend function in SAS

[mvshivu]

I need to analyse trend test for survival data like (Cox-Tarone test and Gehan Breslow test). Is it possible to analyze using Proc LIFEREG or PHREG ............. please indicate.  Where as I have used Proc LIFETEST and I got the results.  Is their any way to get trend in LIFEREG or PHREG

[SteveDenham · Accepted solution]

Through use of the LSMESTIMATE statement, you could code for a linear trend across levels of a class variable, and with stepdown from a high dose, approximate a Tukey trend test.  More info would be helpful.

Steve Denham