Table 2 .

The evaluation of tinnitus treatment based on the questionnaires

Group/n (%) ears	Improvement	No changes	Deterioration	p
Group one (n = 119 ears)
Directly after e.s.	45 (37.8 %)	65 (54.6 %)	9 (7.6 %)	–
30 days after e.s.	61 (51.3 %)	50 (42 %)	8 (6.7 %)	<0.05
90 days after e.s.	56 (47.1 %)	49 (41.2 %)	14 (11.7 %)	>0.05
Group two (n = 65 ears)
Directly after placebo e.s.	20 (30.8 %)	44 (67.7 %)	1 (1.5 %)	–
3,170 days after placebo e.s.	19 (29.2 %)	43 (66.2 %)	3 (4.6 %)	<0.05
90 days after placebo e.s.	17 (26.1 %)	44 (67.7 %)	4 (6.2 %)	>0.05

p < 0.05, change statistically significant

p > 0.05, change statistically not significant

e.s. electrical stimulation