Table 1 Parameters of hand functional tests and electrophysiological findings among age groups.
Age group | Grip strength (kg) | KP strength (kg) | 9HPT (s) | Median SNAP | Ulnar SNAP | Median CMAP | Ulnar CMAP | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
DL | Amp | DL | Amp | DL | Amp | Vel | DL | Amp | Vel | ||||
(ms) | (uV) | (ms) | (uV) | (ms) | (mV) | (m/s) | (ms) | (mV) | (m/s) | ||||
20–29 (n = 24) | 32.5 ± 13.4 | 7.4 ± 2.1 | 15.2 ± 2.1 | 3.0 ± 0.2 | 57.3 ± 16.8 | 3.1 ± 0.2 | 36.1 ± 13.7 | 3.1 ± 0.2 | 10.8 ± 2.1 | 58.5 ± 4.0 | 2.5 ± 0.2 | 11.7 ± 1.9 | 65. ± 3.5 |
30–39 (n = 44) | 30.1 ± 7.2 | 7.2 ± 1.7 | 16.1 ± 1.9 | 3.2 ± 0.6 | 46.5 ± 16.6 | 3.1 ± 0.2 | 29.4 ± 9.5 | 3.2 ± 0.6 | 10.9 ± 1.8 | 58.3 ± 3.8 | 2.4 ± 0.2 | 10.5 ± 1.8 | 64. ± 4.1 |
40–49 (n = 57) | 26.1 ± 6.8 | 6.4 ± 1.8 | 17.3 ± 3.0 | 3.2 ± 1.3 | 32.4 ± 17.9 | 3.1 ± 0.2 | 26.3 ± 9.5 | 3.9 ± 1.4 | 9.3 ± 3.0 | 54.0 ± 3.7 | 2.6 ± 1.1 | 11.0 ± 2.5 | 66. ± 6.2 |
50–59 (n = 130) | 22.0 ± 6.8 | 6.0 ± 1.7 | 17.8 ± 2.7 | 3.6 ± 1.6 | 24.2 ± 17.2 | 3.1 ± 0.2 | 23.7 ± 9.7 | 4.1 ± 1.5 | 8.7 ± 3.0 | 52.5 ± 9.4 | 2.5 ± 0.3 | 10.3 ± 1.8 | 63. ± 4.3 |
60–69 (n = 97) | 22.9 ± 7.6 | 6.5 ± 1.7 | 19.2 ± 2.8 | 3.7 ± 1.2 | 21.5 ± 9.4 | 3.2 ± 0.2 | 18.6 ± 5.7 | 3.7 ± 1.2 | 8.7 ± 3.0 | 50.9 ± 11.3 | 2.6 ± 0.2 | 10.0 ± 1.6 | 62. ± 5.0 |
\(\ge\) 70 (n = 52) | 18.5 ± 4.8 | 5.5 ± 1.4 | 20.7 ± 4.9 | 3.6 ± 1.1 | 20.3 ± 9.4 | 3.3 ± 0.2 | 16.8 ± 3.7 | 4.0 ± 1.3 | 7.8 ± 2.4 | 51.4 ± 8.7 | 3.4 ± 4.5 | 9.2 ± 1.9 | 62. ± 3.2 |
p-value | < 0.001** | < 0.001** | < 0.001** | < 0.001** | < 0.001** | < 0.001** | < 0.001** | < 0.001** | < 0.001** | < 0.001** | 0.136 | < 0.001** | < 0.001** |
