Table 1. Demographical and clinical features of the study cohort.

ID	Age (y)	Disease duration (y)	Type of electrode	Most affected side	Total LEDD (mg)	D-ag LEDD (mg)	UPDRS-III off	UPDRS-III on	ICB state	Type of active ICB
01	60	8	Medtronic 3389	L	970	320	28	8	Active ICB	Compulsive shopping, hypersexuality
02	60	15	DB-2202	R	1563	315	50	30	Past ICB
03	60	6	Medtronic 3389	L	800	0	48	14	Past ICB
04	60	13	DB-2202	L	1403	280	77	27	past ICB
05	47	16	DB-2202	R	865	0	71	37	past ICB
06	53	7	DB-2202	L	635	160	38	25	Active ICB	Hypersexuality, compulsive eating, punding
07	55	16	Medtronic 3389	R	1810	360	51	19	Never ICB
08	65	15	Medtronic 3389	L	666	0	57	34	Never ICB
09	52	7	DB-2202	L	1152	180	18	1	Active ICB	Hypersexuality, compulsive shopping
10	66	9	DB-2202	R	1124	360	52	30	Never ICB
11	65	5	Medtronic 3389	R	995	320	34	16	Never ICB
12	48	7	DB-2202	R	1180	0	45	34	Active ICB	Pathological gambling
13	61	10	DB-2202	R	500	0	33	12	Past ICB
14	51	12	DB-2202	L	1020	320	27	13	Active ICB	Hypersexuality
15	56	6	DB-2202	R	1380	480	48	19	Past ICB
16	66	6	Bsci octode	L	580	0	17	11	Never ICB
17	67	7	AB-6170	L	820	320	17	5	Never ICB
18	62	6	DB-2202	R	1082	300	42	13	Never ICB
19	64	12	DB-2202	L	160	160	52	21	Active ICB	Compulsive shopping
20	63	10	DB-2202	R	780	80	40	17	Never ICB
21	63	10	AB-6170	R	1800	375	41	11	Past ICB
22	52	11	DB-2202	L	1470	160	54	27	Never ICB
23	63	10	DB-2202	R	1275	300	29	10	Never ICB

Abbreviations: D-Ag, dopamine-agonists; F, female; ICB, impulsive compulsive behavior disorders; L, left; LEDD, levodopa equivalent daily dose; M, male; R, right; y, years; UPDRS-III, Unified Parkinson’s disease rating scale; Implanted leads, Medtronic 3389, (Medtronic, Minneapolis, USA) four 0.5-mm spaced contacts of 1.5-mm length with platinum-iridium cylindrical surfaces; DB-2202, directional leads from Boston Scientific with three segmented contacts on the middle levels (Boston Scientific, USA); Bsci octode, octopolar non directional leads from Boston Scientific; AB-6170, directional leads from St. Jude Medical with three segmented contacts on the middle levels (model 6170, Abbott Neuromodulation, Austin, TX, USA).