Table 1.
Test-retest reliability in the stabilometric variables, in 42 healthy subjects.
| Test session 1 Mean (SD) | Test session 2 Mean (SD) | Mean difference (95% CI) | ICC (95% CI) | 95% LOA | |
| Frontal plane | |||||
| Amplitude (mm) | 4.57 (0.55) | 4.51 (0.59) | -0.06 (-0.21 – 0.09) | 0.79 (0.61 – 0.89) | -1.00 – 0.88 |
| Average speed (mm·s-1) | 23.68 (5.38) | 23.23 (5.51) | -0.45 (-1.16 – 0.26) | 0.95 (0.92 – 0.98) | -4.99 – 4.09 |
| DEV 5 (n) | 19.94 (5.71) | 19.57 (6.16) | -0.37 (-1.40 – 0.67) | 0.92 (0.84 – 0.95) | -6.99 – 6.25 |
| DEV 10 (n) | 3.55 (2.14) | 3.38 (1.96) | -0.17 (-0.58 – 0.25) | 0.88 (0.78 – 0.94) | -2.83 – 2.49 |
| Sagittal plane | |||||
| Amplitude (mm) | 6.70 (1.44) | 6.51 (1.02) | -0.19 (-0.65 – 0.27) | 0.47 (0.01 – 0.71) | -3.13 – 2.75 |
| Average speed (mm·s-1) | 22.84 (5.25) | 22.21 (5.47) | -0.63 (-1.39 – 0.13) | 0.94 (0.89 – 0.97) | -5.49 – 4.23 |
| DEV 5 (n) | 14.10 (4.41) | 13.49 (4.40) | -0.61 (-1.60 – 0.39) | 0.85 (0.72 – 0.92) | -7.01 – 5.79 |
| DEV 10 (n) | 5.63 (2.44) | 5.38 (2.39) | -0.25 (-0.81 – 0.31) | 0.84 (0.70 – 0.91) | -3.87 – 3.37 |
Mean (SD) for test sessions 1 and 2, mean difference (95% confidence interval) (test 2 minus test 1), intraclass correlation coefficient (ICC) (95% confidence interval), and 95% limits of agreement (LOA) between test sessions 1 and 2 (test 2 minus test 1) in the stabilometric variables (amplitude in mm, average speed in mm·s-1, and number of movements exceeding 5 mm (DEV 5) and 10 mm (DEV 10)) in the frontal and sagittal planes.