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Table 2 Distribution of the most common etiological causes of neuropathic pain (peripheral and central), mixed pain and non-neuropathic pain in the study patients.

From: Validity and reliability of the Spanish version of the DN4 (Douleur Neuropathique 4 questions) questionnaire for differential diagnosis of pain syndromes associated to a neuropathic or somatic component

Neuropathic Pain (n = 57) Mixed Pain (n = 42) Non Neuropathic Pain (n = 59)
Peripheral 25 (44%) Radiculopathys 26 (62%) Osteoarthritis 50 (85%)
   Polyneuropathy 6 (24%) Entrapment syndrome 5 (12%) Spondylolisthesis 4 (7%)
   Neuralgia* 16 (64%) Atypical facial pain 3 (7%) Mechanical low back pain 5 (8%)
   Phantom member syndrome 3 (12%) Others** 8 (19%)   
Central 32 (56%)     
   Spinal cord injury 26 (81%)     
   Post-stroke 4 (13%)     
   Multiple sclerosis 2 (6%)     
  1. Includes trigeminal (n = 5) and post-herpetic (n = 11) neuralgia. ** Includes complex regional pain syndrome, parestethic meralgia and cancer.
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Health and Quality of Life Outcomes

ISSN: 1477-7525

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