. Author manuscript; available in PMC: 2016 Jun 1.

Published in final edited form as: J Clin Neurophysiol. 2015 Jun;32(3):251–256. doi: 10.1097/WNP.0000000000000143

Table 2. Between-groups comparisons with variable means and standard deviations.

Variable	Stroke group (n = 14) Mean ± SD	Non-stroke (n = 19) Mean ± SD	Test Statistic (degrees of. freedom)	Significance
MT^‡	66.29 ± 17.02 (n=14)	46.11 ± 7.84 (n=19)	F=20.893 (df=1,31)	p=0.001
TS^†	0.4018 ± 0.4878 (n=12)	1.2624 ± 0.8489 (n=17)	F=9.941 (df=1, 27)	p=0.001
ICF^*	116.80 ± 28.93 (n=12)	159.87 ± 69.15 (n=19)	F=4.152 (df=1, 29)	p=0.040
ICI^*	97.77 ± 42.78 (n=10)	56.31 ± 32.52 (n=18)	F=8.340 (df=1, 26)	p=0.008
ICF/ICI	1.2677 ± 0.5096 (n=9)	3.2444 ± 1.9504 (n=17)	F=8.768 (df=1,24)	p=0.003

^‡

MT Means ± SD expressed as % of stimulator output with 0.50Hz at 01% to 49% and 0.33Hz at 50% to 75% Power Output;

^†

TS Means ± SD expressed as MEP amplitude (mV);

ICI and ICF Means ± SD expressed as %TS MEP