|
Field
Planned Number of Observations
|
Before
Planned Number of Observations: 1,036 individual participants * 4 rounds = 4,144.
N = 1,012 is chosen to achieve 80% power at alpha=0.05 for the primary Sure vs 10% contrast with MDE=0.20 under the prespecified unequal allocation.
|
After
Planned Number of Observations: 1,140 individual participants * 4 rounds = 4,560.
N = 1,012 is chosen to achieve 80% power at alpha=0.05 for the primary Sure vs 10% contrast with MDE=0.20 under the prespecified unequal allocation.
|