Table 2.
Summary of changes in overall upper limb activity, distance wheeled per day, peak velocity, and limb-use laterality.
| Group | Time | GRASSP MMT (scores) | SCIM self-care (scores) | Overall activity (counts/min) | Distance (m/day) | Peak velocity (m/s) | Laterality index | Group | Laterality index |
|---|---|---|---|---|---|---|---|---|---|
| Paraplegics | 1 month | 39.464 (2.056) | 12.706 (1.313) | 552.617 (57.727) | 1889.160 (376.139) | 3.531 (0.259) | 0.192 (0.233) | Non-lateralized | 0.159 (0.122) |
| 3 months | 39.100 (1.904) | 16.039 (1.653) | 644.973 (47.763) | 2549.482 (407.526) | 4.306 (0.277) | 0.149 (0.213) | 0.226 (0.138) | ||
| 6 months | 39.099 (1.615) | 18.206 (1.244) | 589.342 (47.122) | 2261.312 (473.384) | 4.185 (0.318) | 0.136 (0.111) | 0.203 (0.093) | ||
| Significant pairwise comparisons (p < 0.05a) | ns | t1–t2, t1–t3 | ns | ns | t1–t2 | ns | ns | ||
| Tetraplegics | 1 month | 25.715 (1.619) | 4.361 (1.058) | 331.316 (46.531) | 1045.859 (320.275) | 3.492 (0.263) | 0.896 (0.186) | Lateralized | 1.344 (0.173) |
| 3 months | 31.046 (1.503) | 9.791 (1.326) | 495.693 (38.376) | 1677.737 (360.708) | 3.374 (0.263) | 0.742 (0.170) | 0.890 (0.194) | ||
| 6 months | 33.853 (1.311) | 13.003 (1.037) | 627.111 (38.337) | 2286.398 (424.393) | 4.120 (0.307) | 0.432 (0.089) | 0.453 (0.130) | ||
| Significant pairwise comparisons (p < 0.05a) | t1–t2, t1–t3, t2–t3 | t1–t2, t1–t3, t2–t3 | t1–t2, t1–t3, t2–t3 | t1–t3 | ns | t1–t3, t2–t3 | t1–t2, t1–t3, t2–t3 |
aBonferroni corrected; ns, not significant; t1, 1 month; t2, 3 months; t3, 6 months. Results are displayed as estimates ± SEs.