Table 2: Last VNS parameters in Group 1.

Parameter	Mean	Range
Output current (mA)	1.9	(0.75–3)
F (Hz)	26.9	(20–30)
PW (mic s)	293.4	(250–500)
OT (s)	29.6	(21–30)
FT (min)	2.9	(0.8–5)