Table 1.

Patients’ characteristics at inclusion

Patients	DBS group (n = 15)	Drug-treated group (n = 14)	Difference at inclusion (Mann–Whitney)
Age (years)	63 ± 6.4	66 ± 7.1	p = 0.24
Disease duration (years)	9.4 ± 5.2	10.1 ± 6.3	p = 0.7
Best UPDRS III	19 ± 8.5	20.2 ± 13.5	p = 0.78
Worst UPDRS III	57 ± 12.2	54.2 ± 15.5	p = 0.59
UPDRS-IV (dyskinesia)	8.4 ± 2.9	7.9 ± 3.3	p = 0.67
Best Schwab and England	93 ± 7	89 ± 11	p = 0.25
Worst Schwab and England	43 ± 19	51 ± 16	p = 0.23
Dopa equivalents/day (mg)	1115 ± 158	1070 ± 137	p = 0.8