TABLE 2.

EPP plasticity in response to increasing nerve stimulation frequency

	Control (Sham) (57 fibres; nine mice) Mean ± SEM	Sympathectomy (64 fibres; six mice) Mean ± SEM	P value
EPP facilitation
10 Hz	1.01 ± 0.005	1.02 ± 0.004	0.266
25 Hz	1.03 ± 0.006	1.03 ± 0.005	0.190
30 Hz	1.03 ± 0.011	1.03 ± 0.005	0.400
50 Hz	1.03 ± 0.006	1.04 ± 0.005	0.155
100 Hz	1.06 ± 0.015	1.06 ± 0.011	0.483
150 Hz	1.05 ± 0.013	1.07 ± 0.019	0.204
EPP depression
10 Hz	0.83 ± 0.025	0.81 ± 0.013	0.204
25 Hz	0.77 ± 0.034	0.78 ± 0.009	0.392
30 Hz	0.79 ± 0.034	0.76 ± 0.017	0.188
50 Hz	0.76 ± 0.018	0.75 ± 0.014	0.297
100 Hz	0.70 ± 0.053	0.74 ± 0.028	0.245
150 Hz	0.64 ± 0.064	0.75 ± 0.051	0.087

The number of fibres and mice examined for each group are between parentheses.