Table 2.

Average scores obtained by subjects of the three experimental groups with results of univariate ANOVAs are reported.

Neuropsychological screening battery	PD patients with MCI	PD patients with MCI	Healthy controls controls	p values
	Mean (SD)
Episodic Memory
15-Rey’s Word List—Immediate Recall	29.8 (9.1)	41.4 (7.3)	46.0 (9.0)	<0.001
15-Rey’s Word List—Delayed Recall	5.8 (2.4)	9.0 (2.2)	9.7 (2.3)	<0.001
Rey’s Figure—Immediate Recall	10.0 (6.3)	16.7 (6.8)	17.0 (7.1)	<0.001
Rey’s Figure—Delayed Recall	9.2 (5.9)	16.4 (9.2)	16.4 (6.1)	<0.001
Prose Memory—Immediate Recall	5.1 (1.5)	5.5 (1.4)	5.9 (1.2)	0.097
Prose Memory—Delayed Recall	4.8 (1.6)	5.6 (1.4)	5.7 (1.1)	0.016
Attention and Short-term Memory
Trail Making Test—Part A	66.5 (27.6)	46.4 (14.8)	37.2 (13.9)	<0.001
Digit Span Forward	5.5 (1.1)	5.9 (1.0)	5.9 (0.8)	0.11
Corsi Block Tapping test Forward	4.7 (0.9)	5.1 (0.8)	4.9 (0.8)	0.13
Digit Span Backward	3.8 (1.5)	4.3 (0.9)	4.2 (0.7)	0.12
Corsi Block Tapping test Backward	4.1 (1.0)	4.7 (0.8)	4.6 (0.7)	0.022
Executive Functions
Modified Card Sorting Test—Categories Achieved	3.9 (1.9)	5.7 (0.5)	5.7 (0.7)	<0.001
Modified Card Sorting Test—Perseverative Errors	5.2 (5.2)	2.1 (2.0)	2.0 (2.3)	0.001
Trail Making Test—Part B	227.8 (105.3)	131.2 (46.9)	102.1 (36.6)	<0.001
Raven’s Colored Progressive Matrices	25.6 (4.5)	30.4 (3.9)	30.4 (4.5)	<0.001
Phonological Verbal Fluency	25.6 (9.9)	35.6 (9.5)	35.7 (5.4)	<0.001
Language
Objects Naming	28.6 (3.1)	29.8 (0.5)	29.8 (0.6)	0.019
Verbs Naming	26.1 (3.2)	27.5 (0.9)	27.4 (0.8)	0.013
Visual-spatial Functions
Rey’s Figure—Copy	27.2 (5.5)	30.4 (4.3)	32.4 (2.6)	<0.001
Copy of Drawing	8.6 (1.5)	9.8 (1.3)	10.4 (1.3)	<0.001
Copy of Drawing with Landmarks	66.9 (3.7)	68.7 (2.1)	68.9 (1.7)	0.009