Table 2.
Nerve Conduction Velocity, Amplitude, and Vibration Average Among Haplogroup N Subgroups (n = 1,549)
| Haplogroup | Nerve Conduction Velocity (m/s) | Nerve Conduction Amplitude (mV) | Vibration Sensitivity (µ) |
|---|---|---|---|
| Mean (SE)* | Mean (SE)* | Mean (SE)* | |
| H | 43.1 (0.23) | 3.1 (0.09) | 53.7 (1.42) |
| U | 43.5 (0.42) | 3.4 (0.15) | 50.4 (2.56) |
| K | 43.8 (0.46) | 3.2 (0.17) | 52.2 (2.85) |
| T | 43.2 (0.48) | 3 (0.18) | 54.2 (2.92) |
| J | 43.3 (0.57) | 3.2 (0.21) | 56 (3.46) |
| V | 43.4 (0.77) | 3.1 (0.29) | 51.3 (4.89) |
| I | 44.3 (0.98) | 2.4 (0.36)† | 57.1 (5.79) |
| W | 43.6 (1.05) | 4 (0.40)‡ | 68.3 (6.72)§ |
| X | 43.6 (1.13) | 3.4 (0.43) | 49.4 (6.59) |
Notes: *Least square means and standard errors (SE) adjusted for age, sex, and clinic site.
†Haplogroup I vs. W, H, J, T, U, and K (p < .05).
‡Haplogroup W vs. I, H, and T (p < .05).
§Haplogroup W vs. X, H, V, U, and K (p < .05).