Table 2

Walking Impairment Questionnaire

Control
(n = 34)
Ranger DCB
(n = 71)
p Value
Distance
 Baseline24 ± 2333 ± 300.6794
 6 months62 ± 3875 ± 300.3753
 12 months64 ± 3771 ± 340.9303
Speed
 Baseline28 ± 2429 ± 200.8709
 6 months50 ± 3354 ± 300.9134
 12 months49 ± 3155 ± 270.5425
Stair
 Baseline48 ± 3154 ± 300.8811
 6 months65 ± 3369 ± 280.9994
 12 months63 ± 3565 ± 320.9135
Distance and speed
 Baseline26 ± 2231 ± 230.365
 6 months56 ± 3464 ± 280.4733
 12 months56 ± 3263 ± 280.6818
Distance and stair
 Baseline36 ± 2343 ± 260.5183
 6 months63 ± 3371 ± 260.3506
 12 months64 ± 3368 ± 310.9135
Speed and stair
 Baseline38 ± 2542 ± 220.4315
 6 months58 ± 3161 ± 270.6347
 12 months56 ± 3060 ± 270.7908
Total
 Baseline33 ± 2238 ± 220.5384
 6 months59 ± 3266 ± 260.3968
 12 months59 ± 3164 ± 280.7644

Values are mean ± SD; p values from 2-sample, 2-sided Kolmogorov-Smirnov test. Baseline and 6-month data originally appeared as supplementary material in Bausback et al. (11).