Table 4.
Sample size calculation for clinical trials using T1 or T2 weighted images adopting a power of 80% and a two-sided alpha of 0.05
| Assumed difference in rate of TKV growth (%) | T1 (n) | T2 (n) |
|---|---|---|
| 30 | 146 | 113 |
| 25 | 214 | 167 |
| 20 | 301 | 245 |
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