Table 3.
Subjective tinnitus assessment at 0, 3, and 6 months
| Time in months | Degree | Control A | Treatment B1 | Surgery B2 | Hearing aid B3 | P value |
|---|---|---|---|---|---|---|
| Subjective intensity | ||||||
| 0 | Mild | |||||
| N | 7 | 6 | 7 | 9 | 0.820(1) | |
| % | 28.0% | 24.0% | 28.0% | 36.0% | ||
| Severe | ||||||
| N | 18 | 19 | 18 | 16 | ||
| % | 72.0% | 76.0% | 72.0% | 64.0% | ||
| 3 | No improvement | |||||
| N | 22 | 12 | 1 | 1 | < 0.001*(2) | |
| % | 88.0% | 48.0% | 4.0% | 4.0% | ||
| Partial improvement | ||||||
| N | 3 | 13 | 11 | 18 | ||
| % | 12.0% | 52.0% | 44.0% | 72.0% | ||
| Complete improvement | ||||||
| N | 0 | 0 | 13 | 6 | ||
| % | 0.0% | 0.0% | 52.0% | 24.0% | ||
| 6 | No improvement | |||||
| N | 22 | 7 | 0 | 0 | < 0.001*(2) | |
| % | 88.0% | 28.0% | 0.0% | 0.0% | ||
| Partial improvement | ||||||
| N | 3 | 14 | 9 | 15 | ||
| % | 12.0% | 56.0% | 36.0% | 60.0% | ||
| Complete improvement | ||||||
| N | 0 | 4 | 16 | 10 | ||
| % | 0.0% | 16.0% | 64.0% | 40.0% | ||
| Subjective frequency | ||||||
| 0 | Low frequency | |||||
| N | 8 | 8 | 7 | 8 | 0.987(1) | |
| % | 32.0% | 32.0% | 28.0% | 32.0% | ||
| High frequency | ||||||
| N | 17 | 17 | 18 | 17 | ||
| % | 68.0% | 68.0% | 72.0% | 68.0% | ||
| 3 | Complete improvement | |||||
| N | 0 | 0 | 13 | 6 | < 0.001*(2) | |
| % | 0.0% | 0.0% | 52.0% | 24.0% | ||
| Low frequency | ||||||
| N | 8 | 17 | 11 | 12 | ||
| % | 32.0% | 68.0% | 44.0% | 48.0% | ||
| High frequency | ||||||
| N | 17 | 8 | 1 | 7 | ||
| % | 68.0% | 32.0% | 4.0% | 28.0% | ||
| 6 | Complete improvement | |||||
| N | 0 | 4 | 16 | 10 | < 0.001*(2) | |
| % | 0.0% | 16.0% | 64.0% | 40.0% | ||
| Low frequency | ||||||
| N | 12 | 17 | 9 | 14 | ||
| % | 48.0% | 68.0% | 36.0% | 56.0% | ||
| High frequency | ||||||
| N | 13 | 4 | 0 | 1 | ||
| % | 52.0% | 16.0% | 0.0% | 4.0% | ||
| Score of questionnaire | ||||||
| 0 | Median (IQR) | 52 (29) | 56 (27) | 54 (27) | 56 (41) | 0.587(3) |
| Min–Max | 18–64 | 16–66 | 18–64 | 16–66 | ||
| 3 | Median (IQR) | 50 (23) | 44 (32) | 0 (51) | 36 (40) | |
| Min–Max | 18–62 | 16–64 | 0–60 | 0–60 | 0.002*(3) | |
| Pairwise comparison | P1 > 0.999, P2 = 0.002*, P3 = 0.090, P4 = 0.037*, P5 = 0.614, P6 > 0.999 | |||||
| 6 | Median (IQR) | 52 (24) | 20 (15) | 0 (16) | 16 (38) | < 0.00*(3) |
| Min–Max | 18–64 | 0–54 | 0–52 | 0–50 | ||
| Pairwise comparison | P1 = 0.002*, P2 < 0.001*, P3 < 0.001*, P4 = 0.070, P5 > 0.999, P6 = 0.823 | |||||
P1(A–B1), P2(A–B2), P3(A–B3), P4(B1–B2), P5(B1–B3), P6(B2–B3)
IQR interquartile range
*Statistically significant at P ≤ 0.05, (1) Chi-square test, (2) Montecarlo test, (3) Kruskal Wallis test