Table 4

Effect of unilateral or bilateral thalamic stimulation on axial parkinsonian symptoms

Score (item of the UPDRS)StimulationBaseline3 months12 months
Off stimulationOn stimulationOff stimulationOn stimulation
Speech (item 18)Unilateral0.75 (0.76) [52]0.55 (0.61) [51]0.62 (0.72) [52]0.67 (0.66) [49]0.72 (0.67) [50]
Bilateral1.27 (1.10) [15]1.53 (1.13) [15]1.80 (1.21) [15]1.29 (1.07) [14]1.50 (1.02) [14]
Postural stability (item 29)Unilateral0.77 (0.98) [52]0.71 (0.92) [51]0.73 (0.84) [52]0.88 (1.08) [48]0.82 (1.04) [50]
Bilateral1.53 (1.55) [15]1.67 (1.40) [15]1.53 (1.41) [15]1.50 (0.94) [14]1.36 (1.01) [14]
Gait (item 30)Unilateral0.77 (0.98) [52]0.80 (0.89) [51]0.73 (0.84) [52]0.90 (1.08) [48]0.78 (1.00) [50]
Bilateral1.67 (1.18) [15]1.47 (1.36) [15]1.40 (1.40) [15]1.29 (1.14) [14]1.29 (1.14) [14]

  • Values are mean (SD) [No of patients]. No significant differences.