TABLE 4.

Summary of the baseline averages, medians and SDs of all questionnaires and their subdomains at T1 in both active and sham groups.

Stimulation type	Average	Median	SD	Average	Median	SD	U statistic	P-value
	Active stimulation at T1			Sham stimulation at T1			Comparison between groups at T1
TFI Total	53.890	58.400	23.290	45.520	41.200	18.910	144.500	0.206
TFI-Intrusive	69.470	80.000	26.630	60.500	56.670	18.930	142.000	0.181
TFI-Sense of Contol	57.540	56.670	23.830	49.330	51.670	14.730	163.500	0.464
TFI-Cognitive	51.580	60.000	26.420	38.830	33.330	21.830	130.500	0.096
TFI-Sleep	51.490	50.000	28.870	46.330	36.670	30.610	174.000	0.662
TFI-Auditory	44.390	40.000	31.370	32.170	30.000	25.550	151.000	0.278
TFI-Relaxation	56.670	50.000	26.670	50.670	48.330	27.090	161.500	0.431
TFI-Quality of Life	46.320	45.000	27.620	37.500	35.000	22.970	154.000	0.318
TFI-Emotional	56.320	56.670	29.560	51.500	43.330	25.830	165.000	0.491
ITHQ-Total	52.850	64.440	22.970	54.620	55.740	15.190	200.500	0.780
ITHQ-SEB	58.960	66.670	26.050	61.220	63.330	16.330	186.000	0.922
ITHQ-TH	41.590	37.500	28.060	44.000	43.130	23.520	209.500	0.593
ITHQ-O	52.500	52.750	18.090	51.130	50.000	14.990	179.500	0.778
Beck Anxiety Inventory	9.840	7.000	8.430	13.500	12.500	9.570	238.500	0.176
Zung-D-SDS index	53.890	55.000	12.080	49.550	44.000	15.620	151.500	0.285
WHO-QoL-Domain1	57.710	57.140	20.390	52.040	55.360	14.670	155.500	0.338
WHO-QoL-Domain2	61.840	62.500	16.150	52.080	42.170	16.860	131.000	0.099
WHO-QoL-Domain3	62.720	66.670	18.290	50.830	50.000	17.500	124.000	0.063
WHO-QoL-Domain4	64.310	65.630	12.810	63.130	65.630	11.130	176.000	0.703

Comparison of baseline values between groups at T1 included. TFI, Tinnitus Functional Index; ITHQ, Iowa Tinnitus Handicap Questionnaire; BAI, Beck Anxiety Inventory; SDS, Zung Self-rating Depression Scale; WHO-QoL, World Health Organization Quality of Life abbreviated version; SD, standard deviation.