Table II.

Response to therapy.

	RLS	No RLS	P values
Pre-treatment PTA (dB)	74 ± 10.84	74 ± 28.81	1
Post-treatment PTA (dB)     good recovery     fair recovery     poor recovery	51 ± 20.12 20% 40% 40%	43 ± 27.52 40% 40% 20%	0.55 0.54 1 0.54