Acute nerve stretch and the compound motor action potential

Table 5 Various linear models to predict compression injury from the outcome variables

Comparison Stages	Normalized Peak-Peak Amplitude	Normalized AUC	Normalized Velocity	Duration	Best Classification	Classifier
1-2	Yes	Yes	Yes	Yes	63% (58,66)	0.17AMP+VEL -0.12AUC -0.18DUR < .86
	Yes	No	No	No	54% (29,75)	AMP < 1.05
	No	Yes	No	No	49% (5,87)	AUC < .88
	No	No	Yes	No	49% (39,72)	VEL < 1.0
	No	No	No	Yes	62% (34,57)	DUR > .98
1-4	Yes	Yes	Yes	Yes	86% (92,77)	0.61AMP+VEL +0.55AUC < 1.81
	Yes	No	No	No	86% (99,65)	AMP < .69
	No	Yes	No	No	81% (96,57)	AUC < .74
	No	No	Yes	No	76% (98,36)	VEL < .93
	No	No	No	Yes	52% (34,67)	DUR > 1.29
1-6	Yes	Yes	Yes	Yes	97% (99.7,91)	AUC-0.12DUR < 0.48
	Yes	No	No	No	95% (99,89)	AMP < .57
	No	Yes	No	No	96% (95,75)	AUC < .58
	No	No	Yes	No	85% (100,62)	VEL < .89
	No	No	No	Yes	82% (95,55)	DUR < .58

Under best classification the top number is the total number of correctly classified cases. The two numbers in parentheses below this are the specificity and sensitivity.