Table 3.

Seizure outcomes at last follow-up.

Patient number	Monthly long episodes at first month	Average daily activations during first month	Monthly long episodes at last follow-up	% reduction in monthly long episodes at last follow-up	Average daily activations at last follow-up	% change in daily activations at last follow-up	Last follow-up (months)
1	19	1,300	16	16%	900	31%	10.7
2	32	2,000	41	−28%	2,100	−5%	7.4
3	4	1,250	2	50%	500	60%	7.6
4	43	1,000	52	−21%	1,500	−50%	9.0
5	1	240	0	100%	35	85%	9.4
8	0	800	3	N/A	500	38%	5.7
9	12	150	0	100%	200	−33%	4.6
10	9	1,000	12	−33%	1,250	−25%	3.4

In our preliminary short-term follow-up (median 7.5 months), mean seizure frequency reduction at last follow-up was 26%. Patients 6 and 7 had insufficient data for seizure outcome collection.