Table 3:
COP parameters of the bipedal stance presented as median and IQR (25th percentile, 75th percentile).
| Eyes open (EO) | K1/2 | K3 | K4 | p-value (Kruskal-Wallis) |
|---|---|---|---|---|
| COP length [mm] | 292.7 (243.3, 684.4) | 244.3 (192.7, 456.5) | 270.5 (217.1, 343.2) | 0.54 |
| Mean Dev. ML [mm] | 4.2 (2.2, 5.9) | 3.2 (2.7, 4.8) | 3.2 (1.8, 4.2) | 0.79 |
| Mean Dev. AP [mm] | 4.7 (3.5. 6.6) | 4.0 (3.5, 4.7) | 3.4 (2.4, 5.3) | 0.50 |
| Max. Dev. ML [mm] | 21.0 (11.8, 29.3) | 14.7 (11.8, 19.0) | 12.8 (10.4, 20.1) | 0.59 |
| Max. Dev. AP [mm] | 24.7 (19.7, 29.7) | 17.8 (16.2, 23.9) | 18.8 (12.8, 23.0) | 0.23 |
| Eyes closed (EC) | ||||
| COP length [mm] | 925.0 (488.9, 1386.7) | 624.5 (442.5, 993.8) | 583.9 (387.7, 873.4) | 0.50 |
| Mean Dev. ML [mm] | 8.0 (5.3, 10.2) | 3.6 (2.9, 5.3) | 3.4 (2.3, 7.6) | 0.19 |
| Mean Dev. AP [mm] | 12.0 (6.5, 16.6) | 9.1 (5.5, 9.9) | 8.1 (5.7, 9.5) | 0.41 |
| Max. Dev. ML [mm] | 38.0 (27.3, 47.2) | 17.9 (15.4, 30.9) | 15.1 (11.9, 39.9) | 0.27 |
| Max. Dev. AP [mm] | 58.1 (35.0, 76.7) | 45.1 (31.4, 48.7) | 38.1 (28.1, 48. 7) | 0.39 |