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Effect Sizes and Numbers Needed to Power Future Studies
| Analysis | Effect Size | Number Neededa |
|---|---|---|
| All subjects by diagnosisb | 0.35 | 72 |
| Caucasians by diagnosisb | 0.40 | 64 |
| African Americans by diagnosis | 0.27 | 100 |
The number of subjects needed in each group to achieve a power of 0.80. Assumes equal numbers in each group.
Significant finding in current analyses.
