Table 2.
Sample size calculations for MCAO versus Control, based on the variance and difference between groups at the 2 month time point. Power = 0.8, α = 0.05.
| Test | Measure | Sample size (per group) |
|---|---|---|
| Gait analysis | Hind paw base width | 24 |
| Disengage with distractor | Latency (contralateral) | 31 |
| Tapered balance beam | Latency | 33 |
| Modified neuroscore | 36 | |
| Cage reaching | Latency to criterion | 37 |
| Corridor | Bias | 38 |
| Irregular ladder | Latency | 44 |
| Cage reaching | Failed reaches (contralateral) | 59 |
| Adhesive removal | Bias (remove) | 208 |
| Drug-induced rotations | Amphetamine | 473 |
| Disengage without distractor | Latency (contralateral) | 552 |
| Cylinder | Bias | 818 |
| Adhesive removal | Bias (contact) | 1137 |
| Regular ladder | Hind foot slips | 10748 |