From: Sensory nerve action potentials and sensory perception in women with arthritis of the hand
Variable | Healthy group n = 9 | Hand OA group n = 11 | Hand RA group n = 7 |
---|---|---|---|
AIMS-2 hand/finger function | NA | 2.2 ± 1.9 | 3.5 ± 3.0 |
Tripod pinch (kg) | 7.0 ± 1.4 | 6.0 ± 2.0 | 5.8 ± 3.1 |
Grip strength (kg) | 27.7 ± 5.0 | 24.1 ± 6.8 | 21.1 ± 10.0 |
Small dexterity time (s) | 38.9 ± 5.3 | 42.5 ± 5.5 | 52.8 ± 16.4* |
Large dexterity time (s) | 26.5 ± 4.1 | 31.4 ± 4.6 | 33.2 ± 6.9* |
CMAP1 Latency (ms) | 4.4 ± 0.8 | 4.1 ± 0.8 | 4.3 ± 0.6 |
CMAP1Amplitude (mV) | 13.6 ± 5.3 | 12.6 ± 5.8 | 11.5 ± 4.7 |
CMAP2 Latency (ms) | 8.5 ± 0.9 | 8.2 ± 0.9 | 8.5 ± 1.1 |
CMAP2 Amplitude (mV) | 13.7 ± 5.8 | 14.5 ± 4.9 | 10.0 ± 4.2 |
CMAP CV (m/s) | 57.0 ± 4.8 | 56.8 ± 5.3 | 59.5 ± 13.6 |