Table 4.
Spatiotemporal parameters during walking.
| ID-ASD |
Controls |
ID v C | DN-ASD |
Controls |
DN v C | ID v DN | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median | Q1 | Q3 | Median | Q1 | Q3 | p-value | Median | Q1 | Q3 | Median | Q1 | Q3 | p-value | p-value | |
| Speed (m/s) | 1.17 | 1.04 | 1.28 | 1.21 | 1.09 | 1.34 | .210 | 0.99 | 0.73 | 1.14 | 1.30 | 1.13 | 1.39 | < .001* | .004* |
| Cadence (steps/min) | 112.76 | 101.18 | 118.54 | 110.9 | 104.7 | 115.2 | .683 | 108.40 | 101.83 | 113.25 | 118.24 | 111.32 | 122.79 | .001* | .400 |
| Stride length (m) | 1.25 | 1.16 | 1.37 | 1.31 | 1.17 | 1.49 | .186 | 1.08 | 0.84 | 1.28 | 1.29 | 1.21 | 1.37 | < .001* | < .001* |
| Stride time (s) | 1.07 | 1.01 | 1.19 | 1.08 | 1.04 | 1.15 | .967 | 1.11 | 1.07 | 1.18 | 1.02 | 0.98 | 1.08 | .001* | .312 |
| Stance time (s) | 0.66 | 0.60 | 0.73 | 0.67 | 0.62 | 0.68 | .773 | 0.70 | 0.66 | 0.76 | 0.61 | 0.58 | 0.66 | < .001* | .047* |
| Swing time (s) | 0.42 | 0.41 | 0.46 | 0.43 | 0.42 | 0.45 | .379 | 0.42 | 0.40 | 0.44 | 0.41 | 0.38 | 0.43 | .399 | .572 |
| Double support time (s) | 0.12 | 0.10 | 0.13 | 0.11 | 0.10 | 0.12 | .241 | 0.14 | 0.12 | 0.17 | 0.11 | 0.09 | 0.13 | < .001* | .002* |
| Step width (m) | 0.18 | 0.14 | 0.20 | 0.18 | 0.13 | 0.21 | .606 | 0.20 | 0.18 | 0.24 | 0.16 | 0.14 | 0.20 | .024* | .193 |
Medians and interquartile ranges are reported.
⁎
Significance level: p < .05. ID-ASD, symptomatic idiopathic scoliosis-adult spinal deformity; DN-ASD, “de novo”-adult spinal deformity; C, controls.