TABLE 2.

DMEPs in Sham and CSM rats after compression injury.

	Sham			CSM
	Neutral	Extension	Flexion	Neutral	Extension	Flexion
1 Wpi
Latency (ms)	7.96 ± 1.55	8.08 ± 1.07	8.54 ± 1.26	8.31 ± 1.16	8.52 ± 1.54	10.2 ± 1.41#*
Amplitude (μV)	395.67 ± 45.61	380.48 ± 43.59	385.27 ± 36.78	386.98 ± 28.38	382.56 ± 23.84	334.19 ± 26.56#***
Immeasurable waves (n)	0	0	0	1	1	4
2 Wpi
Latency (ms)	7.98 ± 1.24	7.99 ± 1.24	7.73 ± 1.31	8.33 ± 1.55	8.75 ± 1.86	10.98 ± 1.82#*
Amplitude (μV)	374.84 ± 43.74	399.4 ± 35.67	390.12 ± 34.88	366.42 ± 29.74	378.58 ± 32.19	300.02 ± 30.56#***
Immeasurable waves (n)	0	0	0	1	1	6#
3 Wpi
Latency (ms)	7.74 ± 1.21	8.01 ± 1.39	7.79 ± 1.24	9.42 ± 2.18*	9.67 ± 2.29*	11.68 ± 2.65#*
Amplitude (μV)	381.25 ± 38.86	392.4 ± 43.88	375.78 ± 49.74	368.21 ± 29.23	367.77 ± 22.35	234.75 ± 31.12#***
Immeasurable waves (n)	0	0	0	2	2	10#
4 Wpi
Latency (ms)	7.83 ± 1.34	7.52 ± 1.19	7.95 ± 1.42	9.61 ± 2.33*	9.42 ± 1.84*	12.57 ± 2.68#*
Amplitude (μV)	392.66 ± 47.71	389.42 ± 46.56	398.58 ± 39.94	345.3 ± 34.43***	353.85 ± 31.19**	215.39 ± 18.82#***
Immeasurable waves (n)	0	0	0	4	4	13#

*, **, *** Indicated statistical significance (p < 0.05, 0.01, 0.001, respectively) in the difference between the Sham and CSM group using t-test.

^#Indicated statistical significance (p < 0.05) in the difference between various neck positions using one-way ANOVA and post hoc test.