Table 2.
Tinnitus characteristics
| Subject | Tinnitus Duration, yr | Tinnitus Location | Tinnitus Quality | Tinnitus Pitch (L, R), kHz | Tinnitus Loudness (L, R), dB SL | Minimum Masking Level, dB SL | Tinnitus Reaction Questionnaire Score (max = 104) | Residual Inhibition | Somatic Modulation | |
|---|---|---|---|---|---|---|---|---|---|---|
| High SLT | 72 | 15 | Both ears, worse in R | Ringing, whistling | >8, >8 | 25, 25 | 40 | 45 | No | Yes |
| 85 | “Many” | Both ears, worse in R | Pulsing, hissing, tonal | >12, n/a | 18, 15 | 35 | 18 | Yes | Yes | |
| 109 | “Lifelong,” worse in past 10–15 yr | In head, center | Ringing, tonal | 10, 12 | 30, 30 | 45 | 7 | No | Yes | |
| 116 | 19 | Both ears, equally | Ringing | 12, 12 | 15, 10 | 35 | 61 | No | Yes | |
| 160 | 2 | In head, center | Hissing, electronic | 10, 10 | 25, 15 | 50 | 14 | No | n/a | |
| Low SLT | 23 | 13 | Both ears, worse in L | Tonal | >8, >8 | 35, 40 | 45 | 46 | No | Yes |
| 110 | 3 | Both ears, worse in L | Ringing, buzzing | 1–2, 1–2 | 20, 10 | 25 | 61 | Yes | Yes | |
| 128 | 10 | R ear* | Ringing, hissing | —, 6 | —, 60 | 55 | 78 | No | Yes | |
| 129 | 6 | R ear† | Ringing | —, 2–3 | —, 25 | 30 | 5 | Yes | Yes | |
| 322 | 20 | R ear* | Ringing, tonal | —, 11 | —, 15 | 70 | 13 | No | n/a | |
| 347 | 0.5 | Both ears, worse in R | Intermittent, ringing | n/a, n/a | n/a, n/a | n/a, n/a | 22 | No | n/a |
*
Subject also has occasional episodes of left ear tinnitus that are distinct from the right ear tinnitus. †Subject's tinnitus was bilateral when first noticed and then became unilateral.