. Author manuscript; available in PMC: 2011 Aug 22.

Published in final edited form as: Open Access Anim Physiol. 2010 Jun 1;2:9–16. doi: 10.2147/OAAP.S7202

Table 1.

Bonferroni post hoc pairwise comparisons of ABR thresholds

	Young adult versus middle age		Young adult versus old age
	t	P value	t	P value
3 kHz	5.715	P < 0.001	13.31	P < 0.001
6 kHz	2.831	P < 0.05	19.13	P < 0.001
12 kHz	2.06	NS	17.6	P < 0.001
24 kHz	4.094	P < 0.001	20.58	P < 0.001
32 kHz	4.865	P < 0.001	21.62	P < 0.001
48 kHz	6.187	P < 0.001	23.0	P < 0.001

Abbreviations: ABR, auditory brainstem response; NS, not statistically significant.