Table 4.
Average device use time in hours for TRT and SC participants at each visit or assessment point in the study. IQ = interquartile range; TRT = tinnitus retraining therapy; SC = standard of care; SD = standard deviation.
| Assessment time (mo post fit) | 1 | 2 | 6 | 12 | 18 |
|---|---|---|---|---|---|
| TRT grp mean (SD) |
10.42 (3.32) |
11.19 (3.16) |
11.55 (2.99) |
10.77 (3.69) |
10.44 (4.08) |
| SC grp mean (SD) |
9.99 (4.41) |
10.17 (3.16) |
10.31 (3.16) |
9.44 (4.12) |
8.26 (4.74) |
| TRT IQ range | 6.83 | 8.23 | 8.13 | 8.80 | 9.98 |
| SC IQ range | 10.00 | 6.50 | 5.95 | 7.85 | 10.63 |
|
TRT vs SC (t‐test p value) |
0.734 | 0.326 | 0.239 | 0.324 | 0.160 |