Table 6.
Change in Walking Impairment Score
| Visit | ||
|---|---|---|
| WIQ scores | Baseline | 3‐Yeara |
| Score for pain, aching, or cramps in calves or buttocks (%) | ||
| Mean ± SD (N) | 41.1 ± 31.6 (199) | 74.1 ± 30.8 (199) |
| Changes from baseline (%) | ||
| Mean ± SD (N) | – | 33.0 ± 41.3 (199) |
| Walking Distance Score (%) | ||
| Mean ± SD (N) | 22.1 ± 25.3 (177) | 50.6 ± 38.8 (177) |
| Changes from baseline (%) | ||
| Mean ± SD (N) | – | 28.5 ± 36.9 (177) |
| Walking Speed Score (%) | ||
| Mean ± SD (N) | 21.2 ± 20.7 (143) | 35.9 ± 27.2 (143) |
| Changes from baseline (%) | ||
| Mean ± SD (N) | – | 14.7 ± 27.8 (143) |
| Stair Climbing Score (%) | ||
| Mean ± SD (N) | 40.5 ± 32.5 (163) | 57.1 ± 36.6 (163) |
| Changes from baseline (%) | ||
| Mean ± SD (N) | – | 16.6 ± 38.4 (163) |
Note: For each category, the means and changes from baseline represents paired data.
a
Changes from baseline to 3 years were statistically significant P < 0.0001 for each category.