Table 1.

Clinical, demographic, and surgical data.

Patient	Sex	Age at the time of STN-DBS (years)∗	Time from diagnosis to STN-DBS (years)∗∗	Latency between surgery and unresponsive-FOG onset (months)∗∗∗	Mattis Dementia rating scale	Surgery complications	DBS ON/OFF until 24 h before LCIG	Daily time spent in OFF before LCIG (UPDRS item 39)	Functional impact of dyskinesias before LCIG (UPDRS item 33)
P1	F	67	11	20	Normal	No	OFF	3	2
P2	F	69	6	8	Normal	No	OFF	3	2
P3	F	57	11	10	Normal	Infection left electrode	ON	3	3
P4	F	64	10	48	Normal	No	ON	2	1
P5	F	66	12	2.5	Normal	No	ON	3	2

^∗Median age (years) at the time of STN-DBS: 66 IQR (57–69). ^∗∗Median time (years) from diagnosis to STN-DBS: 11 IQR (6–12). ^∗∗∗Median latency (months) between surgery and unresponsive-FOG onset: 10 IQR (2.5–48). F = female; IQR = interquartile range.