Table 1.

Neuropsychological characteristics of patients.

	Patients without cognitive impairment (n = 23)		Patients with cognitive impairment (n = 37)		p
	Mean	SD	Mean	SD
MMSE*	28.13	1.07	26.22	2.98	0.0001
BMDB*	2.24	0.62	1.09	0.93	0.0001
RPM	32.86	1.89	28.71	3.94	0.01
RAVLT DR*§	44.62	7.94	33.16	7.81	0.0001
RAVLT IR*§	9.07	2.18	6.87	2.55	0.002
IVM*§	19.79	2.53	17.77	2.31	0.001
ReyC	33.93	2.49	27.09	9.71	0.22
ReyD	19.09	3.43	13.08	6.05	0.13
PWL	15.34	4.08	8.43	3.27	0.001
SpanVF	6.66	1.17	5.59	1.31	0.09
SpanVB	5.44	0.72	3.69	1.27	0.008
SpanC	5.93	0.82	4.54	1.08	0.004
Barrage*§	−0.47	0.6	2.08	3.48	0.001
StroopT*	18.29	6.92	26.11	9.51	0.11
StroopE*	−0.17	0.75	2.43	2.82	0.22
TMT-A	38.15	16.66	59.14	32.99	0.18
VPF*	29.6	8.59	24.6	9.01	0.06
VSF*§	45.78	6.42	42.58	32.2	0.001
SVAT*§	18.22	1.39	15.2	3.79	0.001
TMT-B	56.4	42.60	114.30	59.93	0.009
TMT-B-A	19.15	30.16	53.34	41.73	0.03
CD*	11	1	7.6	4.39	0.09
LO	28.00	2.07	23.33	5.07	0.02
BDI	12.24	6.96	18.05	11.23	0.06
STAI	41	11.38	47	19	0.23

MMSE, Mini-Mental State Examination; BMDB, Brief Mental Deterioration Battery; RPM, Raven's Progressive Matrices; RAVLT IR, Rey Auditory Verbal Learning Test, immediate recall; RAVLT DR, Rey Auditory Verbal Learning Test, delayed recall; IVM, Immediate visual memory; ReyC, Rey's Figure Copy; ReyD, Rey's complex figure delayed recall; PWL, Paired word learning; SpanVF, Verbal Span Forward; SpanVB, Verbal Span Backward; SpanC, Corsi's Span; Barrage, Barrage test; TMT-A, Trial Making Test A; TMT-B, Trial Making Test B; TMT B-A, Trial Making Test B-A; Stroop test T, Stroop Test, Time; Stroop test E, Stroop Test, Error; SVAT, Simple Verbal Analogies Test; VPF, Verbal Phonemic Fluency; VSF, Verbal Semantic Fluency; CD, Simple Copy Drawing; LO, Benton Line Orientation; BDI, Beck Depression Inventory; STAI, State Trait Anxiety Inventory.

^*The test included in the standard battery of cognitive evaluation used in our center.

^§Significantly different results (p < 0.05).