Table 1.
Stimulation intensity threshold required to produce a clinical response for bipolar and monopolar stimulation
| Pt. | Age | Sex | Threshold (mA)
Median (range) |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Language | Motor | Sensory | |||||||||
| N | Bipolar | Monopolar | N | Bipolar | Monopolar | N | Bipolar | Monopolar | |||
| 1 | 23 | Male | 2 | 8 | 11 (10-12) | 3 | 4 (2-4) | 4 (4-5) | 0 | NA | NA |
| 2 | 19 | Male | 0 | NA | NA | 8 | 5.5 (3-10) | 6 (4-10) | 0 | NA | NA |
| 3 | 11 | Male | 0 | NA | NA | 3 | 3 (3-4) | 3 (3-4) | 0 | NA | NA |
| 4 | 9 | Male | 0 | NA | NA | 5 | 4 (2-6) | 6 (3-15) | 1 | 6 | 6 |
| 5 | 8 | Female | 0 | NA | NA | 1 | 7 | 9 | 0 | NA | NA |
| 6 | 14 | Female | 0 | NA | NA | 2 | 4.5 (3-6) | 4.5 (3-6) | 1 | 10 | 6 |
| 7 | 19 | Male | 0 | NA | NA | 2 | 4 | 6.5 (5-8) | 3 | 6 (4-6) | 7 (3.5-8) |
| 8 | 20 | Female | 5 | 6 (6-12) | 10 (6-12) | 0 | NA | NA | 2 | 3 | 3 |
| 9 | 8 | Female | 2 | 14 (13-15) | 13 (12-14) | 3 | 6 (2-7) | 4 (2-5) | 0 | NA | NA |
| 10 | 13 | Female | 0 | NA | NA | 3 | 4 (3-8) | 8 (3-10) | 6 | 5 (2-8) | 4 (2-14) |
| 11 | 33 | Male | 0 | NA | NA | 3 | 2.5 (2.5) | 3 (2-3) | 1 | 2 | 2 |
| 12 | 17 | Female | 4 | 8.5 (6-14) | 13.5 (6-15) | 3 | 6 (5-9) | 7 (6-12) | 0 | NA | NA |
| 13 | 25 | Male | 0 | NA | NA | 4 | 5.5 (2-8) | 1.5 (1.5-15) | 3 | 4 (2-8) | 4 (3-7) |
| 14 | 43 | Male | 7 | 12 (7-14) | 10 (7-15) | 1 | 5 | 5 | 0 | NA | NA |
| 15 | 24 | Male | 5 | 6 (6-10) | 10 (8-14) | 0 | NA | NA | 0 | NA | NA |
| 16 | 29 | Male | 6 | 7.5 (6-14) | 8 (8-12) | 2 | 12 (9-15) | 10 (8-12) | 0 | NA | NA |
| 17 | 20 | Female | 7 | 8 (8-12) | 10 (8-14) | 0 | NA | NA | 0 | NA | NA |
| 18 | 23 | Female | 3 | 8 | 8 (8-14) | 0 | NA | NA | 0 | NA | NA |
| 19 | 42 | Male | 0 | NA | NA | 0 | NA | NA | 2 | 7.5 (4-11) | 6 (3-9) |
| 20 | 23 | Female | 9 | 6 (5-10) | 8 (6-13) | 2 | 6 | 6.5 (6-7) | 0 | NA | NA |