Table 3.

Hearing Thresholds of the Treatment Group Before and After Treatment (n=91)

Air-Conduction Frequencies	Hearing Thresholds Before Treatment	Hearing Thresholds After Treatment	t	P
125Hz	59.23±31.41	18.85±9.16	4.51	0.0007
250Hz	54.62±27.95	12.69±8.32	5.42	0.0002
500Hz	56.54±29.82	13.08±6.30	5.19	0.0002
1000Hz	64.62±32.30	16.15±6.18	5.08	0.0003
2000Hz	62.31±37.06	18.85±11.02	3.88	0.0022
4000Hz	70.00±31.49	29.62±19.09	4.03	0.0017
8000Hz	69.62±37.16	28.46±25.61	3.06	0.0100