Minimum detectable treatment effects on the primary PEG outcome—analyses of the full study cohort
| Power | Fixed effects approach | Random effects approach | ||
| ICC=0.04 | ICC=0.08 | ICC=0.12 | ||
| 80% | 0.70 | 0.99 | 1.14 | 1.27 |
| 90% | 0.81 | 1.15 | 1.32 | 1.48 |
ICC, intraclass correlation coefficient; PEG, pain, enjoyment and general activity.