TABLE 1.
Baseline characteristics and training details
| Measure | Group A | Group B | Group C | Group D | Group E |
|---|---|---|---|---|---|
| Mean (range) | Mean (range) | Mean (range) | Mean (range) | Mean (range) | |
| Gender | 10 M, 4 F | 9 M, 5 F | 11 M, 3 F | 9 M, 5 F | 9 M, 5 F |
| Age | 57.5 (29–70) | 55.7 (41–69) | 54.4 (36–68) | 56.3 (27–75) | 59.6 (42–85) |
| Pure-tone average (dbHL) | 17.6 (6–56) | 19.2 (4–40) | 15.8 (0–59) | 20.2 (6.3–37.5) | 16.4 (5–32.5) |
| Hearing loss slope | 8 Steep, 6 gradual | 6 Steep, 8 gradual | 7 Steep, 7 gradual | 8 Steep, 6 gradual | 10 Steep, 4 gradual |
| Tinnitus duration (years) | 13.7 (0.66–50) | 9.4 (0.5–20) | 16.9 (2–51) | 9.8 (1–30) | 9.5 (0.5–27) |
| BDI | 2 (0–10) | 0.5 (0–1) | 2.6 (0–9) | 2.4 (0–7) | 3.4 (0–13) |
| BAI | 7.6 (1–15) | 3.7 (0–8) | 9.1 (0–21) | 5.6 (0–14) | 10.4 (4–24) |
| Hyperacusis | 12.1 (1–18) | 10.4 (2–22) | 15.9 (5–27) | 15.1 (1–28) | 13.3 (6–20) |
| Global THQ | 1,054 (568–1,746) | 760 (423–1,238) | 1,165 (637–1,640) | 1,255 (568–2,100) | 1,155 (231–2,030) |
| Subscale 1 | 37.4 (10–67.1) | 22.5 (3–40.6) | 37.7 (18.5–59.3) | 43.1 (10.8–84.7) | 40.4 (2.1–88.7) |
| Subscale 2 | 34.1 (9–54.9) | 30.2 (6.3–73.5) | 47.5 (16.5–71.3) | 50 (15.8–70) | 39.8 (0.3–79.3) |
| Self-reported annoyance (/100) | 30.9 (0–70) | 28.2 (1–100) | 29.5 (0–70) | 36 (0–100) | 40 (0–100) |
| Self-reported loudness (/100) | 47.4 (20–100) | 39 (21–80) | 44.6 (30–75) | 47.1 (21–81) | 52.1 (21–93) |
| Sensation level (dbSL) | 21.6 (4–68) | 16.6 (2–26) | 25.4 (8–57) | 24.4 (5–52) | 19.1 (1–41) |
| Dominant Tinnitus pitch (kHz) | 9.9 (0.5–12) | 8.1 (0.5–12) | 7.4 (7–12) | 7.6 (2–12) | 7.4 (3–12) |
| Tinnitus bandwidth (units) | 3.3 (2.3–3.8) | 2.9 (0.6–3.7) | 3.2 (1.8–3.7) | 3.3 (1.9–4) | 3.3 (2.5–3.9) |
| Training frequency (kHz) | 1.8 (0.25–4) | 3 (1.5–6) | 5 (1.5–10) | 1.1 (0.5–4) | 1.1 (0.5–2) |