Table 6.
Descriptive statistics and comparative study among groups, by time point, for total score and by the IQ-ISAD tool.
| Times/groups | Mean | Median | Standard deviation | Q1 | Q3 | n | CI | p-Value | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Total | T2 | TG | 31.42 | 31.5 | 1.16 | 31 | 32 | 12 | 0.66 | 0.788 |
| TGw/o | 31.58 | 31 | 1.83 | 30.8 | 32.5 | 12 | 1.04 | |||
| T3 | TG | 34.25 | 34.5 | 0.87 | 33.8 | 35 | 12 | 0.49 | 0.780 | |
| TGw/o | 34.17 | 34 | 0.83 | 33.8 | 35 | 12 | 0.47 | |||
| (Qu1) | T2 | TG | 4.92 | 5 | 0.29 | 5 | 5 | 12 | 0.16 | 0.546 |
| TGw/o | 4.83 | 5 | 0.39 | 5 | 5 | 12 | 0.22 | |||
| T3 | TG | 5 | 5 | 0 | 5 | 5 | 12 | – | 1.000 | |
| TGw/o | 5 | 5 | 0 | 5 | 5 | 12 | – | |||
| (Qu2) | T2 | TG | 4.08 | 4 | 0.67 | 4 | 4.3 | 12 | 0.38 | 0.527 |
| TGw/o | 4.25 | 4 | 0.75 | 4 | 5 | 12 | 0.43 | |||
| T3 | TG | 4.83 | 5 | 0.39 | 5 | 5 | 12 | 0.22 | 1.000 | |
| TGw/o | 4.83 | 5 | 0.39 | 5 | 5 | 12 | 0.22 | |||
| (Qu3) | T2 | TG | 3.92 | 4 | 0.79 | 3 | 4.3 | 12 | 0.45 | 0.975 |
| TGw/o | 3.92 | 4 | 0.67 | 3.8 | 4 | 12 | 0.38 | |||
| T3 | TG | 4.67 | 5 | 0.49 | 4 | 5 | 12 | 0.28 | 0.660 | |
| TGw/o | 4.75 | 5 | 0.45 | 4.8 | 5 | 12 | 0.26 | |||
| (Qu4) | T2 | TG | 4.42 | 4 | 0.51 | 4 | 5 | 12 | 0.29 | 0.527 |
| TGw/o | 4.25 | 4 | 0.62 | 4 | 5 | 12 | 0.35 | |||
| T3 | TG | 5 | 5 | 0 | 5 | 5 | 12 | – | 0.070 | |
| TGw/o | 4.75 | 5 | 0.45 | 4.8 | 5 | 12 | 0.26 | |||
| (Qu5) | T2 | TG | 4.67 | 5 | 0.49 | 4 | 5 | 12 | 0.28 | 0.660 |
| TGw/o | 4.75 | 5 | 0.45 | 4.8 | 5 | 12 | 0.26 | |||
| T3 | TG | 4.92 | 5 | 0.29 | 5 | 5 | 12 | 0.16 | 1.000 | |
| TGw/o | 4.92 | 5 | 0.29 | 5 | 5 | 12 | 0.16 | |||
| (Qu6) | T2 | TG | 4.92 | 5 | 0.29 | 5 | 5 | 12 | 0.16 | 0.284 |
| TGw/o | 4.75 | 5 | 0.45 | 4.8 | 5 | 12 | 0.26 | |||
| T3 | TG | 5 | 5 | 0 | 5 | 5 | 12 | – | 0.148 | |
| TGw/o | 4.83 | 5 | 0.39 | 5 | 5 | 12 | 0.22 | |||
| (Qu7) | T2 | TG | 4.50 | 4.5 | 0.52 | 4 | 5 | 12 | 0.30 | 0.090 |
| TGw/o | 4.83 | 5 | 0.39 | 5 | 5 | 12 | 0.22 | |||
| T3 | TG | 4.83 | 5 | 0.39 | 5 | 5 | 12 | 0.22 | 0.148 | |
| TGw/o | 5 | 5 | 0 | 5 | 5 | 12 | – | |||
IQ-ISAD, International Questionnaire – Individual Sound Amplification Device; n, number of subjects; Q1, first quartile, Q3, third quartile; CI, confidence interval; TG, tinnitus group; TGw/o, group without tinnitus; T2, second evaluation; T3, third evaluation; Qu1, question 1; Qu2, question 2; Qu3, question 3; Qu4, question 4; Qu5, question 5; Qu6, question 6; Qu7, question 7.
Statistical test used: Mann–Whitney.