Table 3.
Variable | CSM data | Comfortable speed comparison | Matched speed comparison | SEMa | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CSM | HC | Difference | 95 % Confidence intervals | p value | HC | Difference | 95 % Confidence intervals | p value | |||||||||
Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | ||||||||
Cadence (steps/min) | 113.22 | 10.40 | 122.97 | 8.62 | −9.75 | 12.05 | −16.17 | −3.33 | 0.006 | 103.91 | 12.02 | 9.31 | 9.00 | 4.52 | 14.11 | 0.0009 | 1.70 |
Double support (s) | 0.28 | 0.06 | 0.20 | 0.03 | 0.08 | 0.06 | 0.05 | 0.11 | 0.0001 | 0.30 | 0.07 | −0.02 | 0.03 | −0.03 | 0.00 | 0.07 | 0.01 |
Single support (s) | 0.39 | 0.04 | 0.39 | 0.02 | 0.00 | 0.04 | −0.02 | 0.02 | 0.9 | 0.44 | 0.04 | −0.05 | 0.04 | −0.07 | −0.02 | 0.0005 | 0.01 |
Double support duration (% GC) | 26.06 | 3.82 | 20.32 | 2.03 | 5.74 | 4.14 | 3.54 | 7.95 | 0.0001 | 24.94 | 3.32 | 1.12 | 2.84 | −0.40 | 2.64 | 0.14 | |
Single support duration (% GC) | 36.66 | 2.06 | 39.86 | 0.85 | −3.20 | 1.99 | −4.26 | −2.13 | <0.0001 | 37.56 | 1.66 | −0.90 | 1.67 | −1.79 | 0.00 | 0.049 | |
Foot off (% GC) | 62.71 | 2.19 | 60.18 | 1.33 | 2.53 | 2.81 | 1.03 | 4.03 | 0.003 | 62.49 | 1.76 | 0.21 | 2.01 | −0.85 | 1.28 | 0.7 | 0.81 |
Gait speed (m/s) | 1.12 | 0.24 | 1.49 | 0.18 | −0.36 | 0.24 | −0.49 | −0.24 | <0.0001 | 1.11 | 0.21 | 0.02 | 0.07 | −0.02 | 0.06 | 0.3 | 0.02 |
Opposite foot contact (% GC) | 49.56 | 1.25 | 50.26 | 0.59 | −0.69 | 1.57 | −1.53 | 0.14 | 0.09 | 50.27 | 0.65 | −0.71 | 1.41 | −1.46 | 0.04 | 0.06 | 1.01 |
Opposite foot off (% GC) | 12.91 | 2.14 | 10.40 | 1.13 | 2.51 | 2.33 | 1.27 | 3.75 | 0.0006 | 12.69 | 1.73 | 0.22 | 1.54 | −0.61 | 1.04 | 0.6 | 0.77 |
Step length (m) | 0.59 | 0.10 | 0.73 | 0.06 | −0.14 | 0.11 | −0.19 | −0.08 | 0.0001 | 0.64 | 0.06 | −0.05 | 0.07 | −0.09 | −0.01 | 0.02 | 0.01 |
Step time (s) | 0.54 | 0.05 | 0.49 | 0.03 | 0.05 | 0.06 | 0.02 | 0.08 | 0.002 | 0.58 | 0.06 | −0.04 | 0.05 | −0.07 | −0.01 | 0.007 | 0.02 |
Step width (m) | 0.17 | 0.04 | 0.16 | 0.03 | 0.01 | 0.04 | −0.01 | 0.03 | 0.4 | 0.16 | 0.04 | 0.01 | 0.05 | −0.02 | 0.03 | 0.5 | 0.01 |
Stride length (m) | 1.19 | 0.19 | 1.45 | 0.11 | −0.26 | 0.20 | −0.37 | −0.16 | 0.0001 | 1.27 | 0.13 | −0.08 | 0.14 | −0.16 | −0.01 | 0.03 | 0.02 |
Stride time (s) | 1.07 | 0.11 | 0.98 | 0.06 | 0.09 | 0.11 | 0.03 | 0.15 | 0.006 | 1.17 | 0.13 | −0.10 | 0.10 | −0.15 | −0.05 | 0.0008 | 0.02 |
SD standard deviation, GC gait cycle, m metres, s seconds
aStandard error of measurement, calculated in a prior study [18]