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Sample size calculations for the diagnostic study
| Sample size calculation: change in diagnosis (% of patients) |
Power, % | Group size, n | |
|---|---|---|---|
| Disclosed group | Usual-care group | ||
| 10 | 0.1⁎ | 90 | 94† |
| 20 | 0.1⁎ | 90 | 45† |
| 20 | 5 | 90 | 114 |
| 25 | 5 | 90 | 75 |
| 25 | 10 | 80 | 113 |
| 30 | 10 | 90 | 92 |
Approximately 0%-1% reclassification.
Calculation based on Fisher exact test.
