Table 2.

Paired comparison of the No and proportion of pairs in each group (active treatment or placebo) reporting an improvement in tinnitus. Treatment was considered to have been successful if participants reported an improvement at 4 or 12 weeks or a worsening at 14 weeks (2 weeks after stopping treatment)

Time (No of pairs)	Neither treatment successful	Active treatment unsuccessful/ placebo successful	Active treatment successful/ placebo unsuccessful	Both active and placebo successful	Proportion of treatment successful (%)		95% CI*	McNemar's test
					Placebo	Active
4 weeks (414)	367	27	18	2	7.0	4.8	−5.3 to 1.0	0.2
12 weeks (360)	292	34	33	1	9.7	9.4	−4.7 to 4.2	1.0
14 weeks (354)	275	32	40	7	11.0	13.3	−2.4 to 7.0	0.4

^*Comparison between results of active treatment and placebo treatment.