Table 4. Intersession reliability of dynamic variables for each foot under simulated LLD conditions.
| Variables | Mean ± SD | CoV (%) | ICC (2.1) (95% CI) | SEM% | MDC% | RC% | STS |
|---|---|---|---|---|---|---|---|
| 0 mm of LLD | |||||||
| Stance time left (ms) | 777.730 ± 5.365 | 0.69 | 0.960 (0.936-0.977) | 0.14 | 0.38 | 11.37 | 0.483 |
| Stance time right (ms) | 772.162 ± 5.318 | 0.69 | 0.969 (0.951-0.982) | 0.12 | 0.34 | 9.18 | 0.88 |
| Mean pressure left (g/cm2) | 769.901 ± 11.210 | 1.46 | 0.962 (0.940-0.978) | 0.28 | 0.79 | 13.17 | 0.115 |
| Mean pressure right (g/cm2) | 777.932 ± 11.472 | 1.47 | 0.946 (0.914-0.969) | 0.34 | 0.95 | 15.67 | 0.101 |
| Peak pressure left (g/cm2) | 1461.203 ± 16.645 | 1.14 | 0.954 (0.926-0.973) | 0.24 | 0.68 | 14.12 | 0.177 |
| Peak pressure right (g/cm2) | 1461.036 ± 22.094 | 1.51 | 0.956 (0.930-0.975) | 0.32 | 0.88 | 19.22 | 0.196 |
| 5 mm of LLD | |||||||
| Stance time left (ms) | 780.068 ± 11.486 | 1.47 | 0.923 (0.878-0.956) | 0.41 | 1.13 | 16.46 | 0.758 |
| Stance time right (ms) | 775.941 ± 11.347 | 1.46 | 0.936 (0.898-0.963) | 0.37 | 1.03 | 13.36 | 0.207 |
| Mean pressure left (g/cm2) | 774.577 ± 5.537 | 0.71 | 0.974 (0.959-0.985) | 0.12 | 0.32 | 9.00 | 0.566 |
| Mean pressure right (g/cm2) | 768.117 ± 11.903 | 1.55 | 0.953 (0.925-0.973) | 0.34 | 0.93 | 13.66 | 0.172 |
| Peak pressure left (g/cm2) | 1481.595 ± 19.287 | 1.30 | 0.955 (0.928-0.974) | 0.28 | 0.77 | 12.88 | 0.097 |
| Peak pressure right (g/cm2) | 1363.243 ± 12.762 | 0.94 | 0.967 (0.947-0.981) | 0.17 | 0.47 | 10.11 | 0.751 |
| 10 mm of LLD | |||||||
| Stance time left (ms) | 788.378 ± 4.897 | 0.62 | 0.990 (0.984-0.994) | 0.06 | 0.17 | 3.80 | 0.357 |
| Stance time right (ms) | 789.054 ± 7.086 | 0.90 | 0.986 (0.978-0.992) | 0.11 | 0.29 | 6.90 | 0.088 |
| Mean pressure left (g/cm2) | 778.770 ± 4.353 | 0.56 | 0.984 (0.974-0.991) | 0.07 | 0.20 | 0.84 | 0.427 |
| Mean pressure right (g/cm2) | 737.311 ± 9.678 | 1.31 | 0.961 (0.938-0.978) | 0.26 | 0.72 | 8.78 | 0.173 |
| Peak pressure left (g/cm2) | 1462.455 ± 17.696 | 1.21 | 0.957 (0.932-0.975) | 0.25 | 0.70 | 12.48 | 0.426 |
| Peak pressure right (g/cm2) | 1275.865 ± 18.723 | 1.47 | 0.943 (0.909-0.967) | 0.35 | 0.97 | 13.69 | 0.874 |
| 15 mm of LLD | |||||||
| Stance time left (ms) | 789.324 ± 6.093 | 0.77 | 0.990 (0.985-0.994) | 0.08 | 0.21 | 6.63 | 0.204 |
| Stance time right (ms) | 802.568 ± 6.811 | 0.85 | 0.987 (0.979-0.992) | 0.10 | 0.27 | 8.66 | 0.159 |
| Mean pressure left (g/cm2) | 782.297 ± 5.775 | 0.74 | 0.984 (0.974-0.991) | 0.09 | 0.26 | 6.91 | 0.184 |
| Mean pressure right (g/cm2) | 725.068 ± 7.155 | 0.99 | 0.964 (0.943-0.980) | 0.19 | 0.52 | 11.48 | 0.344 |
| Peak pressure left (g/cm2) | 1461.068 ± 12.798 | 0.88 | 0.957 (0.932-0.976) | 0.18 | 0.50 | 12.42 | 0.238 |
| Peak pressure right (g/cm2) | 1225.914 ± 18.399 | 1.50 | 0.909 (0.855-0.948) | 0.45 | 1.25 | 16.40 | 0.382 |
| 20 mm of LLD | |||||||
| Stance time left (ms) | 791.036 ± 4.392 | 0.56 | 0.986 (0.978-0.992) | 0.07 | 0.18 | 6.84 | 0.234 |
| Stance time right (ms) | 807.793 ± 4.042 | 0.50 | 0.990 (0.984-0.994) | 0.05 | 0.14 | 5.86 | 0.946 |
| Mean pressure left (g/cm2) | 783.838 ± 4.090 | 0.52 | 0.980 (0.969-0.989) | 0.07 | 0.20 | 8.96 | 0.645 |
| Mean pressure right (g/cm2) | 724.225 ± 5.874 | 0.81 | 0.948 (0.917-0.970) | 0.18 | 0.51 | 10.24 | 0.84 |
| Peak pressure left (g/cm2) | 1451.995 ± 23.364 | 1.61 | 0.951 (0.922-0.972) | 0.36 | 0.99 | 12.00 | 0.472 |
| Peak pressure right (g/cm2) | 1239.901 ± 21.097 | 1.70 | 0.917 (0.868-0.952) | 0.49 | 1.36 | 12.67 | 0.259 |
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; RC% = repeatability coefficient percentage; STS = Student’s t test significance; LLD = leg length discrepancy.