Table 2 Association between the VNS system used and the treatment outcomes
| Â | VNS System | P value | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
102 | 102/102/105 | 102/103 | 102/103/105 | 102/103/106/106 | 102/105 | 102/106 | 102/106/106 | 102\103 | 103 | 103/106 | 103\106\106 | 106 | 106/106 | |||
Seizure Response, No |  < 50 (n = 30) | 5.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 6.00 | 4.00 | 0.00 | 13.00 | 0.00 | 0.63 |
 > 50 (n = 73) | 17.00 | 1.00 | 4.00 | 1.00 | 1.00 | 1.00 | 8.00 | 2.00 | 1.00 | 9.00 | 4.00 | 1.00 | 20.00 | 3.00 | ||
EEG improvement, No | No improvement (n = 41) | 7.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 3.00 | 1.00 | 0.00 | 7.00 | 5.00 | 0.00 | 15.00 | 2.00 | 0.78 |
Resolution of IEDs (n = 62) | 15.00 | 1.00 | 4.00 | 1.00 | 1.00 | 1.00 | 6.00 | 1.00 | 1.00 | 8.00 | 3.00 | 1.00 | 18.00 | 1.00 | ||
QOLIE-31 cognitive subdomain score, No | Below average (n = 3) | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 |
Borderline (n = 9) | 4.00 | 1.00 | 1.00 | 1.00 | 0.00 | 0.00 | 2.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | ||
Low (n = 3) | 0.00 | 0.00 | 1.00 | 0.00 | 0.00 | 0.00 | 1.00 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | ||
Mild (n = 2) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 2.00 | 0.00 | ||
Normal (n = 85) | 17.00 | 0.00 | 2.00 | 0.00 | 1.00 | 1.00 | 5.00 | 0.00 | 1.00 | 15.00 | 8.00 | 1.00 | 31.00 | 3.00 | ||
Poor (n = 1) | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | ||
QOLIE-31 total score, mean ± SD | 40.36 ± 9.90 | 62.00 | 54.00 | 69.00 | 59.00 | NR | 49.29 ± 17.40 | 64.00 | 37.00 | 39.30 ± 16.60 | 32.00 | 18.00 | 35.04 ± 10.20 | 38.00 ± 7.90 | 0.008 | |