Table 6

Effect of thalamic stimulation on essential tremor and activity of daily living

Score (item from ETRS)		Group		Baseline	3 months		12 months
Score (item from ETRS)		Group		Baseline	Off stimulation	On stimulation	Off stimulation	On stimulation
Tremor ETRS (item 1-9)	All	19.21 (8.22) [34]	15.24 (6.82) [33]	7.88 (5.17) [33]^6-150 ^†	17.21 (7.33) [33]	8.65 (5.86) [34] ^6-150 ^†
Voice tremor (item 3)	All	0.63 (0.69) [35]	0.41 (0.70) [34]	0.31 (0.53) [35]	0.54 (0.70) [35]	0.40 (0.69) [35]
	Unilateral	0.46 (0.65) [26]	0.48 (0.77) [25]	0.31 (0.55) [26]	0.42 (0.76) [26]	0.31 (0.74) [26]
	Bilateral	1.11 (0.60) [9]	0.22 (0.44) [9]	0.33 (0.50) [9]	0.89 (0.33) [9]	0.67 (0.50) [9]
Head tremor (item 4)	All	1.31 (1.51) [35]	1.14 (1.22) [35]	0.59 (0.89) [34]^6-150	1.09 (1.62) [35]	0.71 (1.30) [35]
	Unilateral	1.00 (1.47) [26]	1.08 (1.26) [26]	0.64 (0.95) [25]	1.15 (1.80) [26]	0.85 (1.43) [26]
	Bilateral	2.22 (1.30) [9]	1.33 (1.12) [9]	0.44 (0.73) [9] ^‡	0.89 (0.93) [9]	0.33 (0.71) [9]^‡
ADL ETRS (item 15-21)	All	14.88 (4.28) [32]	15.27 (6.59) [26]	3.90 (4.64) [30] ^6-150 ^†	14.92 ( 6.72) [24]	2.93 (3.39) [28] ^6-150 ^†
Hand function (item 10-14)	All	25.43 (7.39) [35]	22.68 (8.43) [34]	13.50 (7.60) [34] ^6-150 ^†	25.21 (7.20) [34]	14.26 (6.49) [34]^6-150 ^†