Table 15.

Association between age equal to or higher then 60 years and the tinnitus-caused impact on life quality reported by the patients before and after treatment - mean values, standard deviations and variance analysis.

		Drug		Placebo
		Initial	Final	Initial	Final
	Mean value	6,58	6,00	6,00	5,93
< 60 years	Standard deviation	1,63	2,24	1,24	1,33
	N	26	26	14	14
	Mean value	5,41	4,71	5,57	4,54
>= 60 years	Standard deviation	1,91	2,47	1,83	2,08
	N	17	17	28	28