Table 4.

Responses to passive movement on initial intraoperative screen of contralateral joint movements

Factor	Parkinson's Disease	Dystonia	P*
Number of cells tested	180	100
Movement responsive	64%	46%	0.002
Multijoint responsive†	33%	15%	0.02

^*Chi-squared test.

^†Proportion of movement-responsive cells with responses to multiple joints.