Clinical Study
Efficacy of Low-Level Laser Therapy in the Management of Tinnitus due to Noise-Induced Hearing Loss: A Double-Blind Randomized Clinical Trial
Table 3
Comparison of the changes of tinnitus loudness in 3 periods of assessment within and between groups.
| Tinnitus loudness (dB) | Placebo | Laser | value for between-group comparison | Mean ± SD | value | Mean ± SD | value |
| Baseline | | 0.023 | | <0.001 | <0.001 | Immediately after intervention | | |
| Baseline | | 0.183 | | <0.001 | <0.001 | 3 months after intervention | | |
| Immediately after intervention | | 0.421 | | 0.013 | 0.01 | 3 months after intervention | | |
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