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Level of discomfort caused by tinnitus reported by the patients before and after treatment, according with their hearing levels - mean values, standard deviations and variance analysis.
| Normal | Mild | Moderate | |||||
|---|---|---|---|---|---|---|---|
| Initial | Post | Initial | Post | Initial | Post | ||
| Mean value | 6,60 | 5,80 | 6,82 | 6,18 | 6,09 | 5,64 | |
| Drug | Standard deviation | 1,64 | 2,65 | 1,59 | 1,88 | 2,51 | 3,23 |
| N |
15 | 15 | 17 | 17 | 11 | 11 | |
| Mean value | 5,92 | 5,58 | 6,25 | 4,88 | 5,86 | 4,93 | |
| Placebo | Standard deviation | 1,68 | 1,51 | 1,57 | 2,16 | 1,96 | 2,13 |
| N | 12 | 12 | 16 | 16 | 14 | 14 | |
