Table 1.
Control group ultrasonographic data (70 subjects).
| Nerve | Site | Average CSA (mm2) | Standard deviation |
|---|---|---|---|
| Peroneal | Popliteal fossa | 8.91 | 1.82 |
| Fibular head | 7.42 | 2.11 | |
|
| |||
| Tibial | Popliteal fossa | 9.62 | 3.20 |
| Ankle | 8.89 | 2.05 | |
|
| |||
| Sural | Ankle | 2.15 | 0.62 |
|
| |||
| Median | Wrist | 8.07 | 1.30 |
| Middle third of the forearm | 7.05 | 1.98 | |
| Elbow | 9.62 | 1.45 | |
| Middle third of the arm | 8.50 | 1.67 | |
| CSAmax | 10.33 | 1.22 | |
| Intranerve variability | 1.76 | 0.47 | |
| Side-to-side intranerve variability | 1.27 | 0.17 | |
|
| |||
| Ulnar | Wrist | 4.82 | 1.04 |
| Middle third of the forearm | 6.07 | 1.42 | |
| Elbow | 5.94 | 1.82 | |
| Middle third of the arm | 7.31 | 1.79 | |
| CSAmax | 8.75 | 2.09 | |
| Intranerve variability | 1.74 | 0.71 | |
| Side-to-side intranerve variability | 1.25 | 0.13 | |
CSA: cross-sectional area.