TABLE 1.
Demographic and clinical characteristics of the tinnitus patients and healthy volunteers
| Demographic | Tinnitus‐EG (baseline, n = 29) | Tinnitus‐EG (treated, n = 29) | Tinnitus‐IG (baseline, n = 35) | Tinnitus‐IG (treated, n = 35) | Controls (n = 63) | p‐Value |
|---|---|---|---|---|---|---|
| Age, years | 48.83 (±12.64) | 47.46 (±12.33) | 47.05 (±12.19) | .812 a | ||
| Gender | 12 males, 17 females | 20 males, 15 females | 33 males, 30 females | .438 b | ||
| Handedness | 29 right‐handed | 35 right‐handed | 63 right‐handed | >0.99 a | ||
| THI score | 69.24 (±21.44) | 33.03 (±20.00) | 42.74 (±18.71) | 47.74 (±19.43) | NA | <.001 c |
| ΔTHI score | 36.21 (±18.57) | −4.80 (±10.85) | NA | NA | ||
| % Improvement of THI score | 53.17% (±19.56%) | −15.81% (±41.09%) | NA | |||
| Duration, months | ≥6 and ≤48 | ≥6 and ≤48 | NA | NA | ||
| Type d | 16:2:1:1:6:3 | 21:6:4:1:2:1 | NA | .804 a | ||
| Tinnitus pitch | 250–8,000 Hz | 250–8,000 Hz | NA | NA | ||
| Laterality | 4 right, 11 left, 13 bilateral | 6 right, 9 left, 20 bilateral | NA | .322 e |
Abbreviations: ANOVA, analysis of variance; EG, effective group; IG, ineffective group; NA, not applicable; THI, Tinnitus Handicap Inventory, △THI score, THIbaseline − THItreated.
a
One‐way ANOVA.
b
Chi‐square test.
c
Two‐way ANOVA.
d
One single high‐pitched sound versus one single low‐pitched sound versus two or more high pitched sounds versus two low pitched sounds versus two or more irregular sounds versus indistinguishable.
e
Mann–Whitney U test.