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. Author manuscript; available in PMC: 2008 Oct 7.
Published in final edited form as: Neurotoxicol Teratol. 2006 Nov 1;29(2):203–210. doi: 10.1016/j.ntt.2006.10.009

Table 4.

ABR thresholds (dB) as a function of Diet Group (mean ± S.D.)

Diet Group
Control (n=45) Deficient (n=62) Excess (n=43) Probability
Tone Pip Condition
All 48.3 ± 1.1 49.1 ± 1.0* 50.2 ± 1.1**, *** 0.001
2 kHz 41.4 ± 2.3 42.3 ± 3.3 44.3 ± 4.4** 0.001
4 kHz 25.8 ± 1.8 26.5 ± 2.5 28.3 ± 4.5**, *** 0.001
8 kHz 25.7 ± 1.7 26.0 ± 2.0 26.2 ± 3.1 N.S.
16 kHz 20.5 ± 3.0 20.9 ± 3.0 21.9 ± 4.0* 0.028
*

Different from Control group, p = 0.027 or better, one-sided test

**

Different from Control group, p < 0.001, one-sided test

***

Different from Deficient group, p = 0.015 or better, two-sided test

N.S. = not significant

n = number of pups, one male and one female per litter when possible