Table 1.

Clinical characteristics of tinnitus patients.

TSL subjects	TSR subjects
N = 12 (6 males, 6 females)	N = 8 (5 males, 3 females)
Mean age = 44 ± 12 years	Mean age = 53 ± 12 years
Duration = 6 ± 8 years (from 1 to 30)	Duration = 6 ± 7 years (from 1 to 20)
Tinnitus severitya (max = 16) = 10 ± 3	Tinnitus severitya (max = 16) = 11 ± 2
Pathological condition: otological (n = 2), neuro-muscular (n = 4), idiopathic (n = 2)	Pathological condition: otological (n = 3), neuro-muscular (n = 2), idiopathic (n = 1)
Stress: n = 8	Stress: n = 3

^aTinnitus severity was evaluated with the Subjective Tinnitus Severity Scale (Halford and Anderson, 1991; Meric and Chery-Croze, 1996); Score > 8 indicates moderate tinnitus; Score > 12 indicates severe tinnitus.