Table 3

The factors associated with positive effect of clonazepam identified by multiple regression analysis

Independent variables (baseline values)Dependent variables (improvement by clonazepam)βp Value
Duration of tinnitusLoudness (dB SL)−0.0090.015
Total THI scoreAwareness/day0.6590.018
Loudness (dB SL)Annoyance0.525<0.001
Loudness (dB SL)Total THI score3.0770.001
AnnoyanceTotal THI score−3.8080.001
  • Improvement by clonazepam = post-treatment−pre-treatment value.

  • dB SL, decibel in sensation level (matched tinnitus loudness); THI, tinnitus handicap inventory.