Recent content by Weberian

  1. W

    Hazardratio statement, interaction in Proc Phreg (cox-regression)

    Thank you noetsi and hlsmith. I am working on it, haven't succeded yet in making it work. Anyone else have any suggestion?
  2. W

    Hazardratio statement, interaction in Proc Phreg (cox-regression)

    Hello again... I made a change: hazardratio 'T1' Disease / diff=pairwise; Now I get all estimates. But shouldn't there be one reference category? (Disease=0,Drug=0)
  3. W

    Hazardratio statement, interaction in Proc Phreg (cox-regression)

    Hello SAS friends, I have a question that I cannot solve. I am about to use cox-regression to estimate the interaction between two binary variables: Disease (1,0) and Drug (1,0). Disease: 1=Disease, 0=No disease Drug: 1=Drug, 0=No drug This make the interaction a “2x2 table” (as below). Here...