Table 4.

Hearing Thresholds of the Control Group Before and After Treatment (n=63)

Air-Conduction Frequencies	Hearing Thresholds Before Treatment	Hearing Thresholds After Treatment	t	P
125Hz	50.16±30.54	17.50±10.12	8.60	0.0004
250Hz	48.97±29.07	13.49±11.27	9.62	0.0006
500Hz	46.59±29.40	13.65±11.51	4.69	0.0003
1000Hz	46.43±31.92	16.03±11.71	7.58	0.0000
2000Hz	45.71±31.84	17.06±14.27	6.87	0.0006
4000Hz	52.14±32.60	21.98±19.21	7.11	0.0008
8000Hz	56.35±32.37	28.41±23.33	6.37	0.0002