Table 2.
Differences in GMFM-88 scores between baseline and at 12 and 24 weeks after botulinum toxin injection according to number of previous injections.
| Interval (Weeks) | Previous Injection | GMFM-Total Score | GMFM-D Score | GMFM-E Score | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| N | Mean | SD | p | Mean | SD | p | Mean | SD | p | ||
| 12 | None | 48 | 2.51 | 3.455 | 2.21 | 4.021 | 3.08 | 3.769 | |||
| Yes | 95 | 1.69 | 3.246 | 0.164 | 0.86 | 2.838 | 0.042 | 2.75 | 4.654 | 0.665 | |
| 0–1 | 71 | 2.11 | 3.035 | 1.73 | 3.533 | 2.39 | 3.404 | ||||
| >1 | 72 | 1.82 | 3.610 | 0.612 | 0.90 | 3.086 | 0.137 | 3.32 | 5.126 | 0.206 | |
| ≤2 | 94 | 1.99 | 3.135 | 1.56 | 3.355 | 2.38 | 3.957 | ||||
| >2 | 49 | 1.91 | 3.704 | 0.896 | 0.84 | 3.262 | 0.216 | 3.78 | 4.976 | 0.070 | |
| 24 | None | 47 | 3.26 | 3.941 | 2.49 | 4.133 | 4.91 | 5.77 | |||
| Yes | 94 | 2.566 | 4.159 | 0.344 | 1.38 | 3.386 | 0.092 | 3.77 | 5.411 | 0.247 | |
| 0–1 | 70 | 3.119 | 4.044 | 2.23 | 3.990 | 4.30 | 5.494 | ||||
| >1 | 71 | 2.480 | 4.132 | 0.356 | 1.28 | 3.296 | 0.126 | 4.00 | 5.619 | 0.749 | |
| ≤2 | 92 | 2.825 | 4.038 | 1.92 | 3.847 | 4.10 | 5.475 | ||||
| >2 | 49 | 2.745 | 4.218 | 0.913 | 1.43 | 3.342 | 0.448 | 4.24 | 5.714 | 0.881 | |
GMFM: Gross Motor Function Measure, SD: Standard Deviation.