y.func 
## 
## benefit score: f(x), 
## Trt recom = 1*I(f(x)&gt;c)+0*I(f(x)&lt;=c) where c is &#39;cutpoint&#39;
## 
## Average Outcomes:
##                Recommended 0     Recommended 1
## Received 0  8.2176 (n = 136) -12.7821 (n = 69)
## Received 1 -1.7832 (n = 143) -0.4186 (n = 152)
## 
## Treatment effects conditional on subgroups:
## Est of E[Y|T=0,Recom=0]-E[Y|T=/=0,Recom=0] 
##                          10.0008 (n = 279) 
## Est of E[Y|T=1,Recom=1]-E[Y|T=/=1,Recom=1] 
##                          12.3