Table 1.

Demographic Statistics

	pTBI				NC
	Mean	Range	SD	Missing	Mean	Range	SD	Missing
Age	63.35	59, 81	2.91	0	63.28	59, 79	3.85	2
Years of Education	14.64	10, 20	2.15	0	15.03	12, 18	2.15	2
Pre-injury general intelligence (AFQT; percentile)	65.48	1, 99	23.19	12	72.87	40, 95	16.67	11
Post-injury general intelligence (AFQT; percentile)	55.53	1, 98	25.47	0	71.12	19.79	15–94	2
Depression (BDI, total score)	7.49	0, 35	7.54	0	10.97	0, 29	8.67	2
Word naming (BNT, total score)	53.58	14, 60	7.23	0	55.69	46, 60	3.84	2
Sorting (D-KEFS, scaled score)	10.89	1, 17	3.19	0	12.78	6, 17	2.81	2
Letter Fluency (D-KEFS, scaled score)	8.76	1, 19	3.66	0	10.41	4, 19	3.58	2
Category Fluency (D-KEFS, scaled score)	9.72	1, 18	3.24	0	11.78	2, 19	3.86	2
Trailmaking (D-KEFS, difference of scaled)	−0.43	−10, 8	2.7	1	−1.16	−8, 3	2.32	2
Neurobehavioral Rating Scale	36.93	27, 117	12.64	0	36.03	27, 65	8.85	2
Visual Screening (VOSP, total score)	19.44	14, 20	1.02	0	19.53	12, 20	1.5	2
Long-term memory (WMS, scaled score)	38.5	9, 62	11.7	0	44.48	13, 60	10.89	1

pTBI: penetrating traumatic brain injury; NC: noninjured control; AFQT: Armed forces qualifying test; BDI: Beck Depression Inventory; BNT: Boston Naming test; D-KEFS: Delis-Kaplan Executive Function System; VOSP: Visual Object and Space Perception; WMS: Wechsler Memory Scale-abbreviated.