Table 2.
Baseline Values for Hearing and Tinnitus Variables.
| Characteristic | AM-101 (n = 201) | Placebo (n = 135) | Total (N = 336) |
|---|---|---|---|
| Days since tinnitus onset | |||
| Mean (SD) | 64.8 (19.9) | 64.6 (24.1) | 64.7 (21.6) |
| Range | 20 to 104 | 18 to 225 | 18 to 225 |
| Tinnitus laterality, No. (%) | |||
| Unilateral | 105 (52) | 64 (47) | 169 (50) |
| Bilateral | 96 (48) | 71 (53) | 167 (50) |
| Tinnitus etiology, No. (%) | |||
| Traumatic | 167 (83) | 116 (86) | 283 (84) |
| Otitis media | 34 (17) | 18 (13) | 52 (16) |
| Other | 0 (0) | 1 (0) | 1 (0) |
| Tinnitus Functional Index, points | n = 187 | n = 125 | n = 312 |
| Mean (SD) | 52.6 (19.5) | 50.2 (19.6) | 51.6 (19.6) |
| Range | 11.6 to 95.6 | 7.6 to 96.0 | 7.6 to 96.0 |
| Hearing threshold (4, 6, 8 kHz), dB | n = 199 | n = 134 | n = 333 |
| Mean (SD) | 27.4 (17.8) | 28.7 (16.9) | 28.0 (17.4) |
| Range | –0.8 to 75.0 | –1.7 to 66.7 | –1.7 to 75.0 |
Abbreviation: SD, standard deviation.