Table 5.
Number of Effective Electrodes, Average Impedance, and Average Threshold Current Per Protocol Set at Postoperative 90 ± 10 Days
| Subjects | ||||||
|---|---|---|---|---|---|---|
| Item | P01 | P02 | P03 | P04 | P05 | Average of All 5 Subjects |
| Large electrodes (210 µm in diameter) | ||||||
| Number of effective electrodes | 248 | 248 | 248 | 248 | 247 | 247.8 |
| Average impedance (kΩ) | 7.71 | 11.78 | 26.68 | 12.26 | 11.48 | 13.98 |
| Threshold current (µA), average (minimum, maximum) | 383.6 (154, 400) | 214.6 (88, 374) | 101.4 (33, 308) | 263.6 (132, 396) | 219.8 (88, 396) | 236.6 (33, 400) |
| Small electrodes (160 µm in diameter) | ||||||
| Number of effective electrodes | 8 | 8 | 8 | 8 | 8 | 8 |
| Average impedance (kΩ) | 13.22 | 27.08 | 27.58 | 15.61 | 13.47 | 19.39 |
| Threshold current (µA), average (minimum, maximum) | 400 (400, 400) | 181.5 (121, 352) | 140.3 (88, 198) | 222.8 (132, 396) | 264.0 (154, 396) | 241.7 (88, 400) |
| Total number of effective electrodes | 256 | 256 | 256 | 256 | 255 | 255.8 |
| Average impedance of all effective electrodes (kΩ) | 7.88 | 12.26 | 26.71 | 12.36 | 11.54 | 14.15 |