Table 3 Mean and standard deviation of the baseline gait parameters of study participants, averaged across the three experimental sessions, along with statistical results of the main effects of group and session, as well as their interaction effects.
Gait parameter | Cerebellar ataxia (n = 16) | Healthy controls (n = 14) | Group | Session | Group*session | |
|---|---|---|---|---|---|---|
Cadence (steps per minute) | Mean | 101.29 ± 9.35 | 105.51 ± 10.1 | F(1, 28.0) = 1.18, p = 0.2875 | F(2, 47.5) = 0.26, p = 0.7730 | F(2, 47.5) = 0.33, p = 0.7205 |
Co-efficient of variation | 0.03 ± 0.01 | 0.2 ± 0.01 | F(1, 29.8) = 3.40, p = 0.0752 | F(2, 51.2) = 0.60, p = 0.553 | F(2, 51.2) = 0.13, p = 0.8803 | |
Stride Length (meters) | Mean | 1.11 ± 0.41 | 1.21 ± 0.15 | F(1, 28.8) = 3.79, p = 0.0618 | F(2, 47.7) = 0.30, p = 0.7426 | F(2, 47.7) = 1.51, p = 0.2308 |
Co-efficient of variation | 0.04 ± 0.02 | 0.03 ± 0.01 | F(1, 29.85) = 3.84, p = 0.0594 | F(2, 51.0) = 0.14, p = 0.8678 | F(2, 51.0) = 0.18, p = 0.8351 | |
Speed (meters/second) | Mean | 0.94 ± 0.18 | 1.07 ± 0.2 | F(1, 28.1) = 3.20, p = 0.0845 | F(2, 47.6) = 0.36, p = 0.6983 | F(2, 47.6) = 0.98, p = 0.3839 |
Co-efficient of variation | 0.06 ± 0.2 | 0.04 ± 0.01 | F(1, 30.0) = 5.92, p = 0.0211* | F(2, 52.0) = 0.12, p = 0.8899 | F(2, 52.0) = 0.47, p = 0.6303 | |
Double support (percentage of total gait cycle) | Mean | 24.72 ± 3.53 | 21.43 ± 3.85 | F(1, 28.0) = 6.78, p = 0.0146* | F(2, 47.4) = 0.83, p = 0.4435 | F(2, 47.4) = 0.10, p = 0.9077 |
Co-efficient of variation | 0.05 ± 0.02 | 0.05 ± 0.01 | F(1, 29.1) = 1.58, p = 0.2193 | F(2, 48.6) = 0.74, p = 0.4843 | F(2, 48.6) = 0.03, p = 0.9699 | |
Step duration (seconds) | Mean | 0.59 ± 0.05 | 0.57 ± 0.05 | F(1, 27.3) = 0.79, p = 0.3825 | F(2, 45.0) = 0.71, p = 0.4975 | F(2, 45.0) = 0.21, p = 0.8148 |
Co-efficient of variation | 0.04 ± 0.01 | 0.03 ± 0.01 | F(1, 29.4) = 5.11, p = 0.0313* | F(2, 49.3) = 0.54, p = 0.5869 | F(2, 49.3) = 0.02, p = 0.9788 | |
Alpha (unit) | Mean | 0.73 ± 0.20 | 0.79 ± 0.23 | F(1, 28.1) = 0.47, p = 0.5001 | F(2, 58.1) = 0.42, p = 0.6584 | F(2, 58.1) = 0.18, p = 0.8348 |
