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Median nerve CSA at the carpal tunnel inlet in healthy subjects (controls) and in patients with clinically diagnosed carpal tunnel syndrome (cases)
| Values | Controls | Cases (CSA* < 9.4) | Cases (CSA ≥ 9.4) |
|---|---|---|---|
| N | 99 | 28 | 75 |
| Minimum CSA | 5.3 | 7.1 | 9.8 |
| Maximum CSA | 11.2 | 9 | 19.7 |
| Mean CSA (SD) | 7.1 (1.15) | 8.1 (0.64) | 13.3 (2.22) |
| Mean CSA + 2SD | 9.4 | 9.2 | 17.7 |
Note:
Cases with normal CSA.
Abbreviations: CSA, cross-sectional area; SD, standard deviation.
