| Recording site | All patients mean(SD) | Males mean(SD) | Females mean(SD) |
---|---|---|---|---|
Absolute latency(ms) |    Thenar | 21.4 (1.7) | 21.9 (1.4) | 21.0 (1.7) |
 | Hypothenar | 21.3 (1.6) | 21.9 (1.5) | 20.9 (1.7) |
CMCT (ms) |    Thenar | 9.6 (1.9) | 9.6 (2.0) | 9.6 (1.8) |
 | Hypothenar | 9.4 (1.8) | 9.0 (1.9) | 9.7 (1.7) |