Audiological characteristics and exploratory treatment of a rare condition of acute-otitis-media-associated sudden sensorineural hearing loss

Table 2 Comparison of bone conduction and air conduction thresholds between the affected and contralateral heathy ears (dB HL, mean ± SD)

Group	No.	0.25 kHz, BC	0.5 kHz, BC	1 kHz, BC	2 kHz, BC	4 kHz, BC
Affected ears	8	9.38 ± 5.60	17.50 ± 9.63	18.75 ± 9.16	33.12 ± 12.51	39.38 ± 17.41
Healthy ears	8	8.13 ± 5.30	13.13 ± 5.30	11.25 ± 6.40	17.50 ± 8.86	22.50 ± 11.34
Z		-0.220	-1.282	-1.973	-2.570	-2.161
P		0.826	0.200	0.048	0.010	0.031
Group	No.	0.25 kHz, AC	0.5 kHz, AC	1 kHz, AC	2 kHz, AC	4 kHz, AC
Affected ears	8	28.13 ± 11.63	31.88 ± 15.34	38.75 ± 18.27	38.75 ± 16.42	56.25 ± 22.16
Healthy ears	8	8.13 ± 5.30	13.13 ± 5.30	11.25 ± 6.40	17.50 ± 8.86	22.50 ± 11.34
Z		-2.965	-2.971	-3.242	-2.797	-2.905
P value		0.003	0.003	0.001	0.005	0.004

AC: Air conduction; BC: Bone conduction.