. 2020 Apr 11;7(2):170–178. doi: 10.1016/j.ijnss.2020.04.004

Table 3.

SEP results at baseline and 8th week in the two groups ( $\bar{x} \pm s$ ).

Group		N9 latency (ms）	N9 amplitude(uv）	N20 latency(ms）	N20 amplitude(uv）
VFT (n = 16）	Hemiparalysis side
	Baseline	10.29 ± 1.20	3.51 ± 1.35	21.84 ± 2.23	1.46 ± 0.37
	8th week	9.03 ± 1.68^ab	3.91 ± 1.18^ab	20.32 ± 2.57^ab	2.08 ± 0.51^ab
	t	6.51	7.49	7.64	9.27
	P	0.04	0.03	0.03	0.02
	Contralateral side
	Baseline	9.44 ± 1.39	4.28 ± 1.38	20.25 ± 1.72	2.23 ± 0.55
	8th week	9.37 ± 1.49	4.24 ± 1.16	19.85 ± 1.53^b	2.27 ± 0.58
	t	2.22	4.62	5.96	5.67
	P	0.38	0.10	0.57	0.06
CTL （n = 15）	Hemiparalysis side
	Baseline	10.08 ± 1.45	2.70 ± 1.41	21.11 ± 2.31	1.26 ± 0.40
	8th week	9.52 ± 1.54^a	2.84 ± 1.47	20.51 ± 2.69^a	1.51 ± 0.44^b
	t	8.43	3.42	7.35	2.17
	P	0.03	0.21	0.03	0.42
	Contralateral side
	Baseline	9.44 ± 1.52	3.77 ± 1.64	20.10 ± 1.89	2.05 ± 0.47
	8th week	9.27 ± 1.23	3.97 ± 1.52	19.77 ± 2.00	2.11 ± 0.50
	t	1.32	2.62	4.69	3.76
	P	0.83	0.23	0.47	0.36

Note: SEP, somatosensory evoked potential; VFT, visual feedback therapy; CTL, control; ^a means P < 0.05 compared with baseline data; ^b means P < 0.05 compared with data of CTL group.