Table 1 Clinical data of the neuralgia and painful osteoarthritis patients.
From: Cortical disinhibition occurs in chronic neuropathic, but not in chronic nociceptive pain
Neuralgia | Painful osteoarthritis | |
|---|---|---|
N | 26 | 20 |
Sex (women/men) | 12/14 | 10/10 |
Age (years; mean±SD) | 50.9±11.7 | 56.6±10.2 |
Affected side (left/right) | 16/10 | 6/14 |
Cause and site of nerve lesion | ||
Carpal tunnel syndrome (median) | 10 | - |
Traumatic, wrist (median) | 6 | - |
Cubital tunnel syndrome (ulnar) | 2 | - |
Traumatic, elbow (ulnar) | 6 | - |
Traumatic, wrist (ulnar) | 2 | - |
CMAP of the lesioned nerve (expressed as a percentage of the CMAP of the contralateral homologous nerve) | 75.8±33.1 | - |
Duration of pain (months; mean±SD) | 39.3±44.8 | 35.6±42.9 |
Pain intensity during previous week | ||
Mean (NRS; mean±SD) | 4.8±1.8 | 5.0±1.5 |
Maximal (NRS; mean±SD) | 6.0±2.2 | 7.4±1.6 |
Current pain intensity (NRS; mean±SD) | 4.7±2.1 | 3.9±2.0 |
Number of patients with | ||
Hypesthesia | 13 (50%) | 0 (0%) |
Dysesthesia | 17 (65.4%) | 0 (0%) |
Mechanical allodynia | 5 (19.2%) | 0 (0%) |
Muscle paresis | 10 (38.5%) | 0 (0%) |