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 4
Comparison of the design and results of some relevant studies with the present study.
| Author (Year) | Number of cases | Laser properties | Placebo controlled | Followup | Tinnitus scoring method |
Effect of laser in treatment | Wave length | Power | Duration of treatment | VAS | THI | Loudness |
| Present study | 82 | 650 | 5 | 20 min, 3 days a week, for 20 sessions | + | + | + | + | + | Pos. |
Shiomi et al. (1997) [23] | 38 | 830 | 40 | 9 min a week for 10 sessions | − | − | − | − | + | Pos. | Mirz et al. (1999) [21] | 59 | 830 | 50 | 10 min per session | + | − | + | + | + | Neg. | Nakashima et al. (2002) [16] | 45 | | 60 | Once a week for 4 weeks | + | − | − | − | + | Neg. | Prochazka (2002) [1] | 72 | 830 | 300 | Twice a week for 5 weeks and after 2-3 m. 5-6 sessions in a week | − | − | − | + | − | Pos. | Tauber et al. (2003) [11] | 35 | G1: 635 G2: 830 | G1: 7.8 G2: 20 | 5 days a week for 2 weeks | − | + | + | − | + | Pos. | Gungor et al. (2008) [22] | 45 | 650 | 5 | 15 min a day for 1 week | + | + | − | − | + | Pos. |
Cuda and De Caria (2008) [14] | 46 | 650 | 5 | 20 min a day for 3 months | + | − | − | + | − | Pos. |
Teggi et al. (2009) [15] | 60 | 650 | 5 | 20 min a day for 3 months | + | + | + | + | + | Neg. | Okhovat et al. (2011) [2] | 61 | 650 | 5 | 20 min a day for 20 days | − | − | + | − | − | Pos. | Yıldırım et al. (2011) [13] | 30 | 650 | 5 | 20 min 5 times a week for 8 weeks | − | + | + | − | − | Pos. |
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