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Power to Detect a Reduction in Risk of Inappropriate Therapy for a Particular Treatment Arm versus Control
| Hazard Ratio | Power (in %) | |
|---|---|---|
| 88 End points | 75 End points | |
| 1.00 | 2.5 | 2.5 |
| 0.67 | 47 | 41 |
| 0.60 | 69 | 60 |
| 0.50 | 90 | 85 |
| 0.40 | 99 | 98 |
| 0.33 | >99 | >99 |
Power is for a test with two‐sided significance level of 5%, as a function of the hazard ratio and the number of accumulated end points in arms T + A together.
