. Author manuscript; available in PMC: 2015 Jan 20.

Published in final edited form as: J Head Trauma Rehabil. 2014 Jan-Feb;29(1):21–32. doi: 10.1097/HTR.0b013e31828a1aa4

TABLE 3.

Means (M) and standard deviations (SD) of neuropsychological tests of executive function (EF) for the control and mild traumatic brain injury (mTBI) groups, and for the mTBI subgroups split by executive function performance

Measure	Control		mTBI		Intact EF		Reduced EF		P
	Control		mTBI		Intact EF		Reduced EF		Control vs mTBI	Intact vs Reduced EF	Control vs Reduced EF
	M	SD	M	SD	M	SD	M	SD	Control vs mTBI	Intact vs Reduced EF	Control vs Reduced EF
WCST Perseverative Responses T-Score	47.1	5.8	48.6	8.7	52.2	7.7	44.2	8.1	.56	.01	.34
D-KEFS Category Switching SS	12.5	3.2	9.4	3.0	10.2	2.5	8.4	3.5	.003	.12	.002
D-KEFS Trails Switching SS	9.9	2.2	8.5	3.5	10.4	1.9	6.1	3.6	.15	<.001	.001

Abbreviations: D-KEFS, Delis-Kaplan executive function system; SS, scaled score; WCST, Wisconsin Card Sorting Test.