Table 1.

Results of STR (dB).

Patients	1st evaluation pre treatment		2nd evaluation pre treatment		3rd evaluation post treatment
	RE	LE	RE	LE	RE	LE
1	30	35	15	20	20	15
2	20	20	25	25	20	30
3	50	60	50	60	65	55
4	55	50	60	35	55	35
5	80	60	90	95	75	80
6	45	50	75	70	80	70
7	75	75	60	60	55	70

Friedman's test: χ² calc = 0.240; N.S., p = 0.887.