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. Author manuscript; available in PMC: 2018 Jul 1.
Published in final edited form as: Ear Hear. 2017 Jul-Aug;38(4):e200–e214. doi: 10.1097/AUD.0000000000000411

Table 1.

Mean (s.d.) click- and speech-ABR amplitude (μV) values

Left Right RMANOVA results (p-values)
Controls All mTBI Controls All mTBI Group Ear Cond. Interactions
Amplitude Click-ABR I 0.10 (0.19) 0.15 (0.26) 0.10 (0.16) 0.18 (0.25) 0.224 0.705 -- NS
III 0.24 (0.20) 0.26 (0.33) 0.28 (0.21) 0.32 (0.22) 0.617 0.095 -- NS
V 0.42 (0.24) 0.50 (0.30) 0.42 (0.21) 0.50 (0.25) 0.021 0.967 -- NS

Amplitude Speech-ABR Quiet V 0.09 (0.05) 0.09 (0.05) 0.08 (0.04) 0.07 (0.05) 0.057 0.624 <0.001 NS
A −0.16 (0.05) −0.14 (0.06) −0.17 (0.05) −0.15 (0.07) 0.322 0.212 <0.001 NS
D −0.09 (0.08) −0.10 (0.09) −0.10 (0.06) −0.09 (0.07) 0.206 0.839 <0.001 0.051 G x E x C
E −0.16 (0.09) −0.18 (0.07) −0.04 (0.04) −0.06 (0.05) 0.923 0.900 <0.001 NS
F −0.16 (0.09) −0.14 (0.07) −0.16 (0.09) −0.14 (0.09) 0.453 0.745 0.933 NS
O −0.16 (0.09) −0.14 (0.07) −0.16 (0.06) −0.16 (0.07) 0.877 0.906 0.023 0.034 E x C
V-A amp 0.25 (0.09) 0.24 (0.10) 0.25 (0.07) 0.24 (0.10) 0.829 0.237 <0.001 NS
V-A area 0.16 (0.07) 0.15 (0.07) 0.16 (0.06) 0.13 (0.06) 0.468 0.766 <0.001 0.054 G x C

Amplitude Speech-ABR Noise V 0.04 (0.04) 0.05 (0.05) 0.04 (0.03) 0.06 (0.05)
A −0.12 (0.05) −0.11 (0.06) −0.13 (0.04) −0.12 (0.08)
D −0.04 (0.04) −0.06 (0.05) −0.04 (0.05) −0.07 (0.05)
E −0.12 (0.09) −0.14 (0.07) −0.13 (0.09) −0.12 (0.07)
F −0.14 (0.09) −0.17 (0.09) −0.15 (0.09) −0.14 (0.09)
O −0.13 (0.07) −0.15 (0.08) −0.13 (0.06) −0.14 (0.07)
V-A amp 0.15 (0.07) 0.18 (0.08) 0.18 (0.06) 0.19 (0.09)
V-A area 0.10 (0.06) 0.12 (0.07) 0.12 (0.05) 0.13 (0.08)

NS = no significant interactions present; G = group, E = ear, C = condition (quiet vs.