The Scientific World Journal / 2013 / Article / Tab 3

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)PlaceboLaser value for between-group comparison
Mean ± SD valueMean ± 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 0.0130.01
3 months after intervention