Acute nerve stretch and the compound motor action potential

Table 2 Correlations between measured variables

	Normalized Amplitude	Normalized AUC	Normalized Velocity	Normalized Corrected Velocity	Normalized Duration
Normalized Amplitude		.82 (.63)	.14 (.03)	.06 (-.06)	.21 (.11)
Normalized AUC	.82 (.63)		.20 (.15)	.13 (.07)	.24 (.19)
Normalized Velocity	.14 (.03)	.20 (.15)		.62 (.56)	.31 (.20)
Normalized Corrected Velocity	.06 (-.06)	.13 (.07)	.62 (.56)		.35 (.27)
Normalized Duration	.21 (.11)	.24(.19)	.31 (.22)	.35(.27)

The entries in the table are Spearman rank correlation coefficients. All are significant at p < .001 using all of the stages. Using data only from stages 1-7 gives the data in parentheses.