Table 7.

Optimum DBS-ON time, average DBS-OFF time without tremor (in seconds) and ratios expressed in % for all experimental trials.

Patient#	Rpd	Rpt, Rdt	$T_{\text{on}}^{\ast }$	$R_{\text{pt}}^{\ast }$	Average (ttr − toff)	Average (tpr − toff)
PD1	77.6	28.6,34.1	30–32	34.1	21.25	16.06
PD2	67.0	28.5,37.7	20–37	31	20.64	13.02
PD3*	68.8	11.5,15.9	42–55	11.5	9.56	6.96
PD4	80.7	34.3,39.3	22–37	42.4	24.11	20.03
ET1	80.2	35.2,40.4	28–38	37.4	24.03	19.0
ET2	89.8	36.8,39.3	20–40	39.1	18.67	15.53
ET3	79.1	32.8,38.1	30–42	32.8	22.18	17.53
ET4	88.7	48.3,51.3	17–30	45.7	27.49	24.22

Note: PD3* indicates that $T_{\text{on}}^{\ast }$ is the range of all DBS-ON intervals recorded and not necessarily the optimum one.