Table 3. Participant-Reported Measures Stratified by Baseline Severity of Disability.
| Instrument | Score, median (range) | Difference in score, median (95% CI) | Achieved MCID, No. (%) | |
|---|---|---|---|---|
| Before treatment | After treatment | |||
| DHI ≤30 before treatment (n = 6) | ||||
| DHI total | 17 (12 to 24) | 16 (6 to 40) | −1 (−8 to 16) | 2 (33) |
| DHI-p | 7 (0 to 12) | 7 (0 to 12) | 0 (0 to 0) | NA |
| DHI-e | 6 (0 to 12) | 6 (0 to 12) | 0 (0 to 12) | NA |
| DHI-f | 4 (0 to 8) | 4 (4 to 16) | −1 (−4 to 10) | NA |
| ABC Scale | 91.9 (84.4 to 96.3) | 94.4 (81.3 to 96.9) | 0.3 (−3.8 to 6.3) | 0 |
| FES-I | 18 (16 to 32) | 18 (16 to 32) | 0 (−6 to 2) | 0 |
| DHI >30 before treatment (n = 7) | ||||
| DHI total | 52 (40 to 80) | 34 (2 to 62) | −18 (−78 to 2) | 6 (86) |
| DHI-p | 16 (6 to 26) | 12 (6 to 20) | −4 (−24 to 2) | NA |
| DHI-e | 18 (6 to 22) | 8 (0 to 18) | −10 (−18 to 6) | NA |
| DHI-f | 24 (14 to 36) | 10 (0 to 24) | −14 (−36 to −2) | NA |
| ABC Scale | 55.0 (39.4 to 74.4) | 75.6 (56.3 to 98.8) | 20.6 (1.3 to 43.8) | 4 (57) |
| FES-I | 34 (23 to 54) | 26 (17 to 36) | −8 (−23 to 5) | 3 (43) |
Abbreviations: ABC Scale, Activities-Specific Balance Confidence Scale; DHI, Dizziness Handicap Inventory; DHI-e, emotional component of DHI; DHI-f, functional component of DHI; DHI-p, physical component of DHI; FES-I, Falls Efficacy Scale–International; MCID, minimum clinically important difference; NA, not applicable.