In a follow-up, I have run below cases. The two cases give the same estimate: data test1; input strat trt $ responder $ count; datalines; 1 Test Responder 4 1 Test NR 8 1 Pbo Responder 2 1 Pbo NR 11 2 Test Responder 0 2 Test NR 12 2 Pbo Responder 0 2 Pbo NR 13 ; run; data test2; input strat trt $ responder $ count; datalines; 1 Test Responder 4 1 Test NR 8 1 Pbo Responder 2 1 Pbo NR 11 2 Test Responder 12 2 Test NR 0 2 Pbo Responder 13 2 Pbo NR 0 ; run; proc freq data=test1; weight count; tables strat*trt * responder/commonriskdiff(column=2 cl=MR correct=NO); run; proc freq data=test2; weight count; tables strat*trt * responder/commonriskdiff(column=2 cl=MR correct=NO); run;
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