Table 3.
Gait measure | Baseline median value (IQ range) | Retest median value (IQ range) | Change in median value (IQ range) | Wilcoxon signed rank test | Effect size (r = z/√N) |
---|---|---|---|---|---|
Velocity (cm/s) | 117.5 (94.7, 121.2) | 129.9 (115.6, 137.5) | 12.4 (3.2, 20.7) | p = 0.016 | 0.51 |
Stride length (cm) | 121.8 (116.8, 128.5) | 135.6 (123.4, 142.3) | 7.9 (4.3, 12.8) | p = 0.008 | 0.57 |
Stride time (s) | 1.073 (1.055, 1.200) | 1.073 (1.043, 1.114) | −0.035 (−0.063, −0.007) | p = 0.091 | 0.36 |
Music-cued velocity (cm/s) | 115.8 (94.7, 127.0) | 119.4 (108.4, 137.0) | 3.2 (−6.2, 14.4) | p = 0.328 | 0.21 |
Metronome-cued velocity (cm/s) | 114.0 (93.2, 134.4) | 136.2 (107.6, 137.4) | 3.9 (−1.2, 12.1) | p = 0.213 | 0.27 |
Velocity variability (%) | 3.92 (3.02, 4.33) | 3.48 (2.94, 4.16) | −0.39 (−0.68, 0.36) | p = 0.424 | 0.17 |
Stride length variability (%) | 3.00 (2.30, 3.54) | 3.41 (2.00, 3.68) | 0.07 (−0.39, 0.36) | p = 0.859 | 0.04 |
Stride time variability (%) | 2.42 (1.99, 2.71) | 2.23 (1.74, 2.68) | −0.13 (−0.32, −0.09) | p = 0.374 | 0.19 |
Values in bold indicate significant improvement in performance.