Table 1. Mean CSAs of the median nerve.
| Control (n=28) | Normal (n=24) | CTS (n=34) | DPN (n=26) | DPN+CTS (n=28) | |
|---|---|---|---|---|---|
| MRUE (mm2) | 8.9 ± 1.7 | 9.7 ± 1.8 | 14.5 ± 5.1* | 10.8 ± 1.9 | 12.5 ± 2.6* |
| MPSI (mm2) | 8.8 ± 1.3 | 9.2 ± 1.7 | 14.4 ± 4.7* | 10.5 ± 2.3 | 12.5 ± 3.3* |
| MHAM (mm2) | 9 ± 1.3 | 8.8 ± 1.8 | 12.9 ± 3.4* | 10.3 ± 2.7 | 11.5 ± 2.6* |
| MDIS (mm2) | 6 ± 1.1 | 7.3 ± 1.5 | 7.02 ± 1.4 | 7.5 ± 2.8* | 6.8 ± 1.2 |
| MPROK (mm2) | 5.4 ± 1.1 | 6.4 ± 1.3 | 6.2 ± 1.1 | 6.8 ± 2.3* | 6.3 ± 1.4 |
| MEPI (mm2) | 8.7 ± 1.5 | 9.9 ± 2.1 | 10.2 ± 2* | 10.5 ± 1.8* | 10.6 ± 1.8 |
CSAs: cross-sectional areas; MHAM: median nerve at the hamatum hook; MPSI: median nerve at the pisiform; MRUE: median nerve at the radioulnar joint; MDIS: median nerve at the distal one-third level of the forearm; MPROX: median nerve at the proximal one-third level of the forearm; MEPI: median nerve at the medial epicondyle. *p<0.05