Table 1.

Patient characteristics.

Patients	Age (years)	Sex	PD duration (years)	MDS-UPDRS Total (ON)	MDS-UPDRS Part II-1 (speech)	MDS-UPDRS Part III-1 (speech)	HY	Raven CPM
1	52	F	4	32	1	1	3	34
2	71	M	25	43	2	2	3	30
3	77	M	2	23	1	2	3	32
5	68	M	9	44	1	1	2	32
6	65	F	5	40	2	2	3	34
7	66	M	9	37	1	2	3	34
8	68	M	5	40	2	2	2	30
9	70	M	19	74	1	1	3	34
10	69	M	13	78	4	4	3	20
11	51	F	3	33	3	1	2	35
12	60	F	3	30	2	2	3	28
13	63	M	8	26	0	0	2	36
14	74	F	13	18	0	0	2	30
15	73	F	3	18	1	1	1	35
16	67	F	10	15	1	1	1	29
17	68	M	12	57	3	3	3	27
18	55	M	5	18	1	2	3	29
19	66	M	9	47	0	2	3	32
20	85	F	10	57	1	1	4	32
21	65	M	15	62	2	1	2	30
22	68	M	4	26	3	1	2	30

The patients are listed in order of participation in the study. M: male; F: female; PD: Parkinson's disease; MDS-UPDRS: Modified Unified Parkinson's Disease Rating Scale; HY: Hoehn & Yahr Scale stage; CPM: Colored Progressive Matrices.