Table 1.
Anthropomorphic and Preoperative Lead/Stimulator Characteristics (n = 10).
| Demographics and lead implantation | Mean | SD | Percentile of 7 Subjects | ||||
|---|---|---|---|---|---|---|---|
| (or #) | (or %) | 10th | 25th | 50th | 75th | 90th | |
| Age (years) | 25 | 6 | 20 | 20 | 23 | 27 | 32 |
| Female sex (#) | 5 | 50% | |||||
| Height (cm) | 178 | 8 | 171 | 172 | 177 | 182 | 186 |
| Weight (kg) | 82 | 14 | 68 | 74 | 84 | 92 | 94 |
| Body mass index (kg/m2) | 26 | 4 | 23 | 23 | 25 | 27 | 30 |
| Right sided surgery (#) | 8 | 80% | |||||
| Average NRS of lead implantation | 0.1 | 0.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 |
| Worst NRS of lead implantation | 3.1 | 1.6 | 1.9 | 2.3 | 3.0 | 3.0 | 4.3 |
| Leads used during initial implantation (#) | 1.6 | 0.7 | 1.0 | 1.0 | 1.5 | 2.0 | 2.1 |
| Average lead implantation time (min) | 20 | 14 | 10 | 11 | 15 | 24 | 32 |
| Distance of lead tip to (cm): | |||||||
| Femoral nerve midpoint | 0.4 | 0.4 | 0.0 | 0.0 | 0.4 | 0.9 | 1.0 |
| Femoral nerve epineurium | 1.0 | 0.3 | 0.5 | 0.8 | 1.0 | 1.0 | 1.5 |
| Skin | 1.5 | 0.6 | 1.0 | 1.0 | 1.3 | 1.9 | 2.1 |
| Inguinal crease | 0.9 | 0.9 | 0.0 | 0.0 | 0.8 | 1.8 | 2.0 |
NRS, numeric rating scale (0–10, 0 = no pain, 10 = worst imaginable pain).