Table 4.
Performance measures (mean ± SEM) for subjects in the virtual reality based therapy (VRBT) group and the customized vestibular physical therapy group (PT) for pre-treatment vs. post-treatment vs. 6-month (6M) follow-up. P-values obtained from mixed factor repeated measures ANOVA.
| Group | Pre | Post | 6 month Follow-up |
Group p-value |
Time p-value |
Group × Time p-value |
|
|---|---|---|---|---|---|---|---|
| DGI |
VRBT PT |
21 ± 2 19 ± 5 |
22 ± 2 21 ± 4 |
22 ± 2 20 ± 6 |
0.14 |
0.034 (Post > Pre) |
0.67 |
| FGA |
VRBT PT |
24 ± 7 21 ± 7 |
25 ± 3 24 ± 6 |
25 ± 4 23 ± 7 |
0.11 |
0.049 (Bonferroni NS) |
0.49 |
| Gait speed (m/s) |
VRBT PT |
1.10 ± .2 1.10 ± .2 |
1.14 ± .1 1.15 ± .3 |
1.12 ± .1 1.10 ± .2 |
0.60 |
0.007 (Post > Pre) |
0.046 |
| TUG (s) |
VRBT PT |
9.0 ± 1.6 10.5 ± 3.6 |
9.2 ± 1.3 9.5 ± 3.5 |
9.3 ± 1.5 9.9 ± 3.2 |
0.31 | 0.13 | 0.29 |
| SOT |
VRBT PT |
63 ± 18 55 ± 20 |
68 ± 19 57 ± 24 |
69 ± 17 62 ± 20 |
0.14 |
0.040 (6M > Pre) |
0.50 |
Higher scores on the Functional Gait Assessment (FGA), Dynamic Gait Index (DGI), gait speed, and Sensory Organization Test (SOT) indicate better outcomes. Lower scores on the Timed Up and Go (TUG) indicate better outcomes.