Table 4. Test-retest-reliability and smallest real difference.
| SMSW parameter | PwMS | HC | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| ICC | 95% CI | SEM | SEM% | SRD | ICC | 95% CI | SEM | SEM% | SRD | |
| Average speed (m/s) | 0.985 | 0.979–0.990 | 0.04 | 2.4% | 0.10 | 0.977 | 0.965–0.986 | 0.04 | 2.2% | 0.11 |
| Mediolateral deviation (cm) | 0.507 | 0.290–0.666 | 0.34 | 25.6% | 0.62 | 0.774 | 0.650–0.859 | 0.16 | 13.9% | 0.42 |
| Vertical deviation (cm) | 0.920 | 0.885–0.946 | 0.14 | 8.1% | 0.34 | 0.933 | 0.896–0.958 | 0.13 | 7.3% | 0.34 |
| Speed deviation (m/s) | 0.771 | 0.670–0.845 | 0.02 | 8.7% | 0.05 | 0.693 | 0.523–0.809 | 0.03 | 15.4% | 0.06 |
| 3D deflection deviation (cm2) | 0.793 | 0.702–0.860 | 1.11 | 22.1% | 2.32 | 0.906 | 0.854–0.941 | 0.62 | 13.0% | 1.73 |
Abbreviations: PwMS: people with multiple sclerosis. HC: healthy control. SMSW: Short Maximum Speed Walk. SD: standard deviation. ICC: intra-class correlation coefficient. CI: confidence interval. SEM: standard error of measurement. SRD: smallest real difference.