Table 4.
Relationship between age and each parameter and between body height and each parameter for normal subjects.
| APB |
ADM |
||||||
|---|---|---|---|---|---|---|---|
| F-waves | MEPs | CMCT | F-waves | MEPs | CMCT | ||
| Age (yr) | |||||||
| 20-29 (n=33) | 24.0±2.0 | 18.9±1.4 | 5.6±0.8 | 24.7±2.3 | 18.5±1.6 | 5.2±0.9 | |
| 30–39 (n=26) | 23.9±1.7 | 18.5±1.1 | 5.2±0.6 | 24.3±1.7 | 18.5±1.4 | 5.4±0.9 | |
| 40–49 (n=32) | 24.7±1.3 | 18.9±0.9 | 5.6±0.5 | 24.7±1.9 | 18.5±1.2 | 5.2±0.8 | |
| 50–59 (n=25) | 24.3±1.5 | 18.9±1.1 | 5.4±0.6 | 24.5±2.0 | 18.4±1.1 | 5.1±0.5 | |
| ≥ 60 (n=34) | 24.9±2.0 | 19.3±1.1 | 5.3±0.7 | 25.2±1.8 | 18.9±1.2 | 5.2±0.9 | |
| Body height (cm) | |||||||
| 139≦ <150 (n=10) | 23.0±1.9 | 17.8±1.1 | 4.9±0.7 | 22.8±1.8 | 17.3±0.8 | 5.0±0.7 | |
| 150≦ <160 (n=41) | 23.0±1.8 | 18.2±0.9 | 5.7±0.4 | 23.2±1.2 | 17.7±1.0 | 5.2±0.9 | |
| 160≦ <170 (n=56) | 24.5±1.4 | 19.1±1.0 | 5.4±0.7 | 24.9±1.5 | 18.8±1.1 | 5.3±0.9 | |
| 170≦ <180 (n=37) | 25.8±1.2 | 19.6±0.9 | 5.3±0.7 | 26.2±1.7 | 19.3±1.1 | 5.3±0.7 | |
| 180≦ (n=6) | 26.5±0.9 | 20.1±0.9 | 5.5±0.7 | 27.3±1.1 | 20.0±1.4 | 5.3±0.6 | |
| Total (n=150) | 24.4±1.8 | 18.9±1.2 | 5.3±0.7 | 24.7±2.0 | 18.6±1.3 | 5.2±0.8 | |
yr, year; APB, abductor pollicis brevis; ADM, abductor digiti minimi; MEPs, motor evoked potentials; CMCT, central motor conduction time.