Table 1. Demographics, the side and usage time of hearing aid, and characteristics of tinnitus at the first visit
| Subject | Sex | Age | Aided side | Hearing aid usage time (hour/day) | Tinnitus side | Tinnitus duration (months) | Subjective loudness (1–10) | Tinnitus awareness score (%/day) | THI | Objective tinnitus loudness (dB SL) | MML (dB SL) |
| 1 | M | 60 | R | 9 | B | 11 | 10 | 100 | 100 | 1 | - |
| 2 | F | 51 | B | 6 | B | 12 | 7 | 80 | 74 | - | - |
| 3 | M | 72 | B | 8 | B | 3 | 4 | 100 | 60 | 1 | 10 |
| 4 | F | 59 | B | 8 | B | 4 | 7 | 100 | 72 | 5 | - |
| 5 | M | 77 | L | 9 | L | 84 | 4 | 80 | 30 | 5 | 15 |
| 6 | F | 57 | L | 5 | L | 2 | 5 | 100 | - | 0 | 0 |
| 7 | M | 60 | L | 6 | L | 120 | 7 | 100 | 96 | 5 | 17 |
| 8 | M | 53 | L | 7 | L | 36 | 2 | 50 | - | 15 | 33 |
| 9 | M | 67 | L | 12 | L | 9 | 6 | 100 | - | 1 | 3 |
| 10 | F | 72 | R | 11 | R | 2 | 8 | 100 | 42 | 0 | 6 |
| 11 | F | 63 | R | 8 | R | 72 | 9 | 80 | 14 | 5 | - |
| 12 | F | 58 | L | 7 | L | 24 | 5 | 40 | - | 7 | - |
| 13 | M | 75 | B | 9 | B | 12 | 6 | 100 | 48 | 1 | 2 |
| Average | 62.38 | | 8.00 | | 30.08 | 6.15 | 86.92 | 59.56 | 3.83 | 10.75 |
| Standard deviation | 8.44 | | 2.04 | | 37.94 | 2.19 | 20.57 | 28.98 | 4.28 | 10.87 |
-: means missing data, subjects who refused a survey or whose psychoacoustic measurement of tinnitus was impossible. B: both, R: right, L: left, THI: tinnitus handicap inventory, MML: minimum masking level.