Table 2 Power calculations
From: Evaluation of exercise on individuals with dementia and their carers: a randomised controlled trial
Control | Intervention | Difference | N (including compensation for 20% attrition) |
|---|---|---|---|
0.8 | 0.4 | 0.4 | 70 (88) |
0.8 | 0.5 | 0.3 | 116 (145) |
0.8 | 0.6 | 0.2 | 238 (298) |