Table 3.

Mean differences (SD; 95% confidence interval) in scores between matched pairs of participants with tinnitus

	Baseline				4 weeks			12 weeks			14 weeks
	No		Mean score		No	Mean score		No	Mean score		No	Mean score
Primary outcome measures:
Loudness					417	−0.05 (1.57; −0.20 to 0.11)		363	0.01 (1.72; −0.16 to 0.19)		357	−0.05 (1.48; −2.0 to 0.11)
Troublesome nature					415	−0.09 (1.42; −0.23 to 0.04)		361	0.03 (1.65; −0.17 to 0.17)		355	−0.10 (1.32; −0.24 to 0.04)
Secondary outcome measures (summary score):
Total summary score	399		−0.22 (11.86; −1.39 to 0.95)		309	0.44 (12.37; −0.95 to 1.82)		252	−1.32 (12.34; −2.85 to 0.21)		247	−0.10 (13.41; −1.78 to 1.58)
Loudness	443		−0.07 (2.44; −2.9 to 0.16)		368	0.14 (2.29; −0.09 to 0.38)		304	−0.07 (2.47; −0.35 to 0.21)		302	0.06 (2.50; −0.23 to 0.34)
Awareness of or ability to ignore tinnitus	453		−0.02 (3.66; −0.36 to 0.31)		373	0.08 (3.49; −0.28 to 0.43)		313	−0.7 (3.27; −0.43 to 0.30)		315	0.16 (3.42; −0.22 to 0.54)
Impact	458		−0.17 (9.87; −1.08 to 0.73 )		375	0.07 (10.23; −0.97 to 1.11)		322	−1.09 (10.47; −2.24 to 0.05)		302	−0.56 (10.91; −1.80 to 0.68)
Other measurements (summary score):
Variability of tinnitus	478		−0.21 (2.73; −0.46 to 0.03)		412	−0.13 (2.38; −0.36 to 0.10)		349	−0.22 (2.46; −0.48 to 0.04)		338	−0.26 (2.38; −0.52 to −0.005)*
Cerebral insufficiency					329	0.07 (2.95; −0.25 to 0.39)		329	0.07 (2.95; −0.25 to 0.39)		325	0.30 (2.57; −0.02 to 0.59)
Compliance score					356	0.03 (1.00; −0.10 to 0.11)		306	−0.07 (1.40; −0.23 to 0.09)		329	0.01 (0.16; −0.005 to 0.03)

^*P=0.045