05-03-2017 12:31 PM
data rischio; set raffy; proc phreg data=rischio COVS(aggregate) COVM namelen=22;
class centrocut(ref='0') cd4cut(ref='A') emocut(ref='A');
model follKM*statusKM(0)= centrocut emocut cd4cut cd4cut*emocut/risklimits;
hazardratio 'cd4cut' cd4cut / diff=ref;
hazardratio 'emocut' emocut / diff=ref; run;
I can not see the main effects of cd4cut and emocut. I get results only for the interactive effect.
How can I get the HR for both the main effects and the interactive effect?
05-04-2017 12:16 PM
I know that.
For these reason I'm using HazardRatio.
However with HazardRatio I get the HR only for interacation effect and not for main effects .
can you help me?