Are the parameter estimates given in SAS already exponentiated? I know that the Phreg model takes the form h(t) = e^(Bx+Bx(1)). However, I wasn't sure if SAS is giving the parameter values as e^B. Thanks!
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No, as mentioned in SAS manual (http://support.sas.com/documentation/cdl/en/statug/63033/HTML/default/viewer.htm#statug_phreg_a0000000708.htm)
SAS outputs exp(B) as the hazards ratio (also known as risk ratio) for the explanatory variable with regression coefficient B (http://support.sas.com/documentation/cdl/en/statug/63033/HTML/default/viewer.htm#statug_phreg_sect030.htm).