Table 2.
Discriminative validity between patients (n = 35) with vestibular disorders and healthy participants (n = 27) (determined by an unpaired t-test, level of significance at p ≤ 0.05)
| Gait speed (m/s) | Cadence (steps/min.) | Step length (cm) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gait tasks with; | Mean patient (SD) | Mean healthy (SD) | p | Mean Difference (CI) | Mean patient (SD) | Mean healthy (SD) | p | Mean Difference (CI) | Mean patient (SD) | Mean healthy (SD) | p | Mean Difference (CI) |
| Self-selected walking speed | 1.2 (0.2) | 1.4 (0.2) | <0.001 | 0.3 (0.2/0.4) | 108.0 (10.4) | 115.7 (8.0) | 0.002 | 7.8 (3.0/12.6) | 64.0 (9.9) | 73.6 (9.4) | <0.001 | 10.0 (4.9/15.0) |
| Horizontal head turns | 1.0 (0.2) | 1.3 (0.2) | <0.001 | 0.3 (0.1/0.4) | 98.8 (14.3) | 107.2 (9.5) | 0.010 | 8.5 (2.1/14.8) | 60.8 (9.1) | 71.2 (8.7) | <0.001 | 10.6 (5.9/15.4) |
| Vertical head turns | 1.0 (0.3) | 1.3 (0.2) | <0.001 | 0.3 (0.2/0.4) | 99.5 (15.9) | 109.8 (9.9) | 0.004 | 10.3 (3.4/17.3) | 60.0 (11.2) | 71.6 (8.9) | <0.001 | 12.2 (6.7/17.6) |
| Closed eyes | 0.8 (0.2) | 1.2 (0.3) | <0.001 | 0.4 (0.2/0.5) | 97.9 (15.0) | 108.5 (13.6) | 0.005 | 10.6 (3.3/18.0) | 48.8 (11.8) | 65.0 (10.6) | <0.001 | 15.0 (8.6/21.4) |
| Ambulating backwards | 0.7 (0.2) | 1.0 (0.2) | <0.001 | 0.3 (0.2/0.4) | 95.8 (14.3) | 105.1 (12.8) | 0.010 | 9.2 (2.3/16.3) | 40.8 (9.3) | 54.4 (8.7) | <0.001 | 12.8 (8.2/17.4) |
| Dual taska | 0.9 (0.2) | 1.2 (0.3) | <0.001 | 0.3 (0.2/0.4) | 88.3 (16.1) | 101.8 (17.3) | 0.005 | 11.4 (0.2/0.4) | 58.8 (9.1) | 68.4 (10.2) | 0.001 | 8.8 (3.7/13.8) |
aDual tasking for Gait speed, Cadence and Step length was performed with n = 34a patients. The dual-tasking paradigm was performed with a) self-selected walking speed and b) dual-tasking (counting backwards from 100 in steps of 7 during self-selected walking speed