Table 2. Repeatability of dynamic variables for each foot under simulated LLD conditions. First session.
| Variable | Mean ± SD | CoV (%) | ICC (2.1) (95% CI) | SEM% | 95% MDC% |
|---|---|---|---|---|---|
| 0 mm of LLD | |||||
| Stance time left (ms) | 780.360 ± 7.131 | 0.913 | 0.898 (0.825-0.944) | 0.291 | 0.808 |
| Stance time right (ms) | 772.613 ± 6.698 | 0.866 | 0.917 (0.857-0.954) | 0.249 | 0.692 |
| Mean pressure left (g/cm2) | 763.027 ±11.271 | 1.447 | 0.915 (0.854-0.953) | 0.43 | 0.156 |
| Mean pressure right (g/cm2) | 769.324 ± 7.263 | 0.944 | 0.892 (0.813-0.941) | 0.31 | 0.111 |
| Peak pressure left (g/cm2) | 1449.297 ± 13.402 | 0.924 | 0.914 (0.852-0.953) | 0.271 | 0.051 |
| Peak pressure right (g/cm2) | 1445.532 ± 17.208 | 1.19 | 0.931 (0.881-0.962) | 0.312 | 0.866 |
| 5 mm of LLD | |||||
| Stance time left (ms) | 778.396 ±13.756 | 1.767 | 0.873 (0.783-0.930) | 0.628 | 1.743 |
| Stance time right (ms) | 770.351 ± 14.163 | 1.839 | 0.775 (0.613-0.876) | 0.872 | 2.417 |
| Mean pressure left (g/cm2) | 776.240 ± 7.500 | 0.966 | 0.940 (0.896-0.967) | 0.237 | 0.656 |
| Mean pressure right (g/cm2) | 761.991 ± 10.201 | 1.339 | 0.912 (0.849-0.952) | 0.397 | 1.101 |
| Peak pressure left (g/cm2) | 1495.225 ± 12.651 | 0.846 | 0.906 (0.837-0.948) | 0.259 | 0.719 |
| Peak pressure right (g/cm2) | 1365.090 ± 16.766 | 1.228 | 0.928 (0.877-0.961) | 0.33 | 0.913 |
| 10 mm of LLD | |||||
| Stance time left (ms) | 787.207 ± 6.588 | 0.837 | 0.973 (0.954-0.985) | 0.138 | 0.381 |
| Stance time right (ms) | 793.063 ± 5.697 | 0.718 | 0.976 (0.959-0.987) | 0.111 | 0.308 |
| Mean pressure left (g/cm2) | 780.432 ± 5.791 | 0.742 | 0.965 (0.940-0.981) | 0.139 | 0.385 |
| Mean pressure right (g/cm2) | 741.081 ± 12.886 | 1.739 | 0.919 (0.861-0.956) | 0.495 | 1.372 |
| Peak pressure left (g/cm2) | 1456.297 ± 9.645 | 0.662 | 0.909 (0.843-0.950) | 0.2 | 0.554 |
| Peak pressure right (g/cm2) | 1274.694 ± 26.494 | 2.078 | 0.869 (0.774-0.928) | 0.752 | 2.085 |
| 15 mm of LLD | |||||
| Stance time left (ms) | 786.486 ± 7.819 | 0.994 | 0.983 (0.970-0.991) | 0.13 | 0.359 |
| Stance time right (ms) | 798.378 ±7.206 | 0.903 | 0.980 (0.965-0.989) | 0.128 | 0.354 |
| Mean pressure left (g/cm2) | 779.225 ± 2.512 | 0.322 | 0.966 (0.942-0.982) | 0.059 | 0.165 |
| Mean pressure right (g/cm2) | 721.721 ± 5.353 | 0.742 | 0.922 (0.866-0.957) | 0.207 | 0.574 |
| Peak pressure left (g/cm2) | 1451.928 ± 7.477 | 0.515 | 0.889 (0.807-0.939) | 0.172 | 0.476 |
| Peak pressure right (g/cm2) | 1247.279 ± 22.891 | 1.835 | 0.778 (0.617-0.878) | 0.865 | 2.397 |
| 20 mm of LLD | |||||
| Stance time left (ms) | 788.288 ± 3.357 | 0.426 | 0.975 (0.956-0.986) | 0.067 | 0.187 |
| Stance time right (ms) | 807.928 ± 4.092 | 0.506 | 0.976 (0.959-0.987) | 0.078 | 0.217 |
| Mean pressure left (g/cm2) | 782.468 ± 3.751 | 0.479 | 0.964 (0.938-0.980) | 0.091 | 0.252 |
| Mean pressure right (g/cm2) | 723.595 ± 2.566 | 0.355 | 0.894 (0.817-0.942) | 0.115 | 0.32 |
| Peak pressure left (g/cm2) | 1446.685 ± 23.562 | 1.629 | 0.917 (0.857-0.954) | 0.469 | 1.301 |
| Peak pressure right (g/cm2) | 1232.351 ± 30.494 | 2.474 | 0.804 (0.663-0.892) | 1.095 | 3.037 |
SD = standard deviation; CoV = coefficient of variation; ICC = intraclass correlation coefficient; 95% CI = 95 percent confidence interval; SEM% = standard error of measurement percentage; MDC% = minimum detectable change percentage; LLD = leg length discrepancy.