Table 1.
Demographics for participants receiving vestibular rehabilitation with and without auditory biofeedback (ABF).
| Variable | Without ABF | With ABF | Test Statistic | P Value |
|---|---|---|---|---|
| Enrolled (N) | 20 | 20 | ||
| Completed rehabilitation (N) | 15 | 16 | ||
| Withdrawing from study (N) | 5 | 4 | ||
| Age (years) | 40.2 (11.2) | 39.5 (11.5) | 0.642 | 0.526 |
| Sex (male/female) | 4/11 | 5/11 | 0.790b | 0.779 |
| Height (cm) | 170.2 (10.3) | 172.6 (8.5) | −0.707 | 0.485 |
| Mass (kg) | 75.8 (21.4) | 82.9 (19.3) | −0.997 | 0.338 |
| Days since injurya | 366 (202, 658) | 488 (232, 886) | 225.0c | 0.553 |
| Pre-rehabilitation PCSS total symptom severity score | 44.9 (23) | 27.9 (17.6) | 2.332 | 0.027 |
| Pre-rehabilitation DHI total score | 47.5 (21.6) | 40.5 (19.8) | 0.938 | 0.356 |
| Rehabilitation compliance (%)a | 92 (83, 100) | 96 (73, 100) | 252.5c | 0.822 |
| Home exercise program compliance (%)a | 80 (43, 99) | 88 (74, 96) | 206.5c | 0.661 |
Values are presented as mean and standard deviations unless noted otherwise. Independent T-tests were used to compare group demographics unless noted otherwise. Italicized and bolded values indicate significant group difference (p < 0.05).
a
Data presented as median with 1st and 3rd quartile;
b
Chi-Squared test;
c
Wilcoxon Rank Sum test; PCSS, Post-Concussion Symptom Scale; DHI, Dizziness Handicap Index.