Table 2. Seizure frequencies following rVNS placement.

rVNS: responsive vagus nerve stimulation.

Time from rVNS placement	Mean seizure frequency ± SE (seizures/month)	P value
Before rVNS	24.78 ± 13.97	-
Three months after placement	6.81 ± 5.69	0.13
Six months after placement	16.57 ± 9.79	0.12
12 months after placement	5.65 ± 3.80	0.12
18 months after placement	5.78 ± 3.54	0.06