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. Author manuscript; available in PMC: 2010 Jun 1.
Published in final edited form as: Hear Res. 2009 Mar 6;252(1-2):29–36. doi: 10.1016/j.heares.2009.02.010

Table 1.

Two-Way Repeated Measures ANOVA for ABR Thresholds (Subject Group × Time)

3 kHz
 6 kHz
F time(2,52)=8.48 p=0.0007 F time(2,52)=12.2 p<0.0001
Bonferroni Post-test Pre vs. 4 Mon 2 Mon vs. 4 Mon Bonferroni Post-test Pre vs. 4 Mon 2 Mon vs. 4 Mon
E t=3.21, p<0.01 ns E t=3.35, p<0.01 ns
E+P ns ns E+P t=2.90, p<0.05 t=2.90, p<0.05
Placebo ns ns Placebo ns ns
Male ns ns Male ns ns
12 kHz
 24 kHz
F time(2,52)=4.02 p=0.024 F time(2,52)=7.48 p=0.0014
Bonferroni Post-test Pre vs. 4 Mon 2 Mon vs. 4 Mon Bonferroni Post-test Pre vs. 4 Mon 2 Mon vs. 4 Mon
E ns ns E ns ns
E+P t=2.67, p<0.05 t=2.67, p<0.05 E+P t=3.09, p<0.05 t=2.89, p<0.05
Placebo ns ns Placebo ns ns
Male ns ns Male ns ns
32 kHz
 48 kHz
F time(2,52)=8.40 p=0.0007 F time(2,52)=8.83 p<0.0005
Bonferroni Post-test Pre vs. 4 Mon 2 Mon vs. 4 Mon Bonferroni Post-test Pre vs. 4 Mon 2 Mon vs. 4 Mon
E t=2.82, p<0.05 ns E ns ns
E+P t=3.02, p<0.05 ns E+P t=3.82, p<0.01 ns
Placebo ns ns Placebo ns ns
Male ns ns Male ns ns

ANOVA: Analysis of variance, Pre: Pretreatment, Mon: Post-treatment month, ns: Not significant