TABLE 2.

Demographic and baseline clinical characteristics of patients undergoing DBS, according to LRRK2 status

Clinical Characteristic	IPD DBS (n = 14)	LRRK2 DBS (n = 9)	p Value
Male	13/14 (92.86)	7/9 (77.78)	0.53
Age at PD motor symptom onset, yrs	52.33 ± 9.01	50.11 ± 13.56	0.72
Age at PD diagnosis, yrs	53.00 ± 9.12	51.11 ± 12.83	0.72
Site of onset
Arm	7/14 (50.00)	3/9 (33.3)	0.39
Leg	4/14 (28.57)	3/9 (33.3)	>0.99
Gait	1/14 (7.14)	3/9 (33.3)	0.27
Duration of disease at diagnosis, yrs	0.67 ± 0.72	1.67 ± 1.22	0.03
Disease duration at levodopa institution, yrs	2.69 ± 1.93	6.25 ± 6.80	0.14
Age at surgery, yrs	64.1 ± 6.33	63.11 ± 15.09	0.97
Duration of disease (diagnosis) at surgery, yrs	10.59 ± 6.68	11.11 ± 5.13	0.52
Duration of disease (symptoms) at surgery, yrs	10.53 ± 6.27	12.78 ± 4.38	0.22
Median LEDD at surgery (IQR)	938 (498.5)	1228 (491)	0.09
Median UPDRS-III score at surgery (IQR)	9 (11)	16 (21)	0.13

Data given as mean ± SD or number (%), unless otherwise indicated.