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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%)
  1. CMAP = compound muscle action potential; NRS = numeric rating scale; SD = standard deviation