Table 3

Effect of stimulation on treated and non-treated hemibody

Score (item from ETRS)	Hemibody	Baseline	One year		Six years
Score (item from ETRS)	Hemibody	Baseline	Off stimulation	On stimulation	On stimulation
Values are mean (SD).
Significance v baseline: p<0.05, *p<0.001.
Significance on v OFF state: ††p<0.001.
ETRS, essential tremor rating scale.
Upper limb action tremor	Treated	3.4 (0.5) (n=22)	3.2 (0.9) (n=22)	1.0 (0.8) (n=23)**††	1.7 (1.1) (n=26)**††
	Non-treated	2.8 (1.1) (n=13)	3.2 (1.0) (n=13)*	3.2 (1.2) (n=13)	2.7 (1.3) (n=12)
Upper limb postural tremor	Treated	3.0 (0.8) (n=22)	2.6 (1.1) (n=22)	0.5 (0.7) (n=23)**††	0.9 (0.9) (n=26)**††
	Non-treated	2.2 (1.1) (n=13)	2.8 (1.3) (n=13)	2.6 (1.3) (n=13)	2.5 (1.0) (n=12)
Lower limb action tremor	Treated	0.4 (1.0) (n=22)	0.2 (0.5) (n=22)	0.1 (0.3) (n=23)	0.5 (0.9) (n=26)*
	Non-treated	0.2 (0.6) (n=13)	0.2 (0.6) (n=13)	0.2 (0.4) (n=13)	0.5 (0.7) (n=12)
Lower limb postural tremor	Treated	0.8 (1.2) (n=22)	0.1 (0.5) (n=22)*	0.1 (0.3) (n=23)*	0.2 (0.5) (n=26)*
	Non-treated	0.5 (1.0) (n=13)	0.3 (0.6) (n=13)	0.2 (0.4) (n=13)	0.4 (0.7) (n=12)