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. 2012 Jun 19;7(6):e38887. doi: 10.1371/journal.pone.0038887

Table 1. Assessment instruments.

Assessed characteristics Assessment instrument
clinical and demographic characteristics Tinnitus Sample Case History Questionnaire (TSCHQ)(Langguth et al. 2007)
tinnitus handicap Tinnitus Handicap Inventory (THI) (Newman et al)
tinnitus severity Tinnitus Questionnaire (TQ) (Goebel and Hiller)
depressive symptoms Beck Depression Inventory (BDI) (Beck et al. 1961)
quality of life World Health Organisation Quality of Life Scale (WHOQoL)
tinnitus loudness Numeric Rating Scale (0–10): Loudness
tinnitus discomfort Numeric Rating Scale (0–10): Discomfort
Tinnitus annoyance Numeric Rating Scale (0–10): Annoyance
Tinnitus ignorability Numeric Rating Scale (0–10): Ignorability
Tinnitus unpleasentness Numeric Rating Scale (0–10): Unpleasentness