TABLE 1.
Demographic and clinical data of the tinnitus patients and healthy controls.
| Demographic | Tinnitus (baseline, n = 13) | Tinnitus (6 months, n = 13) | Control (n = 18) | P-value |
| Age, years | 42.23 (± 13.98) | 45.33 (± 9.64) | 0.470a | |
| gender | 6 males, 7 females | 9 males, 9 females | 0.561b | |
| THI score | 53.38 (± 28.10) | 45.85 (± 25.16) | NA | 0.379c |
| Δ THI score | 7.54 (± 29.78) | NA | NA | |
| % improvement of THI score | −1.30% (±63.40%) | NA | ||
| Duration, months | 6 and ≤48 | NA | NA | |
| Type # | 7: 2: 3: 1 | NA | NA | |
| Tinnitus pitch | 250∼8,000 Hz | NA | NA | |
| Laterality | 3 right, 4 left, 6 bilateral | NA | NA | |
| Normal hearing | All | All | NA |
THI, Tinnitus Handicap Inventory, △ THI score = THI baseline – THI treated, NA: not applicable. aTwo-sample t-tests. bChi-square test. cPaired-samples t-tests. #1 single high-pitched sound vs. 1 single low-pitched sound vs. 2 high pitched sounds vs. 2 low pitched sounds.