Table 2. Patient and Procedure Characteristics.

Sex	patients (proportion)	trajectories (proportion)
Males	2919 (.47)	NA
Females	1558 (.25)	NA
Indeterminate	1760 (.28)	NA
Indication
Parkinson's	3384 (.54)	5803 (.59)
Dystonia	50 (.0080)	100 (.010)
Variable within study	2803 (.45)	3987 (.40)
Brain region targetted
STN	1931 (.31)	3584 (.36)
Thalamus	323 (.052)	314 (.032)
Gpi	188 (.030)	295 (.030)
Putamen	188 (.030)	1300 (.13)
Prelemniscal Rad. Pts	20 (.0032)	25 (.0025)
Variable deep nuclei	3587 (.57)	4372 (.44)
Timing of Procedure
Mean Age	59.76	NA
Age Range	11 yrs - 88 yrs	NA
Mean Disease Duration	13.39	NA
Total	6237	9890