From: Design of Phase II cancer trials evaluating survival probabilities
 | Desired α = .1, 1 - β = .9 | Desired α = .05, 1 - β = .95 | ||||||
---|---|---|---|---|---|---|---|---|
 | ETSL | EDA | ETSL | EDA | ||||
DA/x* | α | 1 - β | α | 1 - β | α | 1 - β | α | 1 - β |
1.50 | .103 | .909 | .100 | .907 | .049 | .953 | .043 | .948 |
1.75 | .104 | .909 | .114 | .918 | .049 | .954 | .045 | .951 |
2 | .126 | .919 | .089 | .898 | .050 | .954 | .051 | .955 |
3 | .092 | .904 | .116 | .918 | .045 | .952 | .059 | .961 |
4 | .092 | .903 | .091 | .903 | .045 | .954 | .048 | .955 |