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Table 1 Causes of peripheral neuropathy according to studies in Norway and the Netherlands

From: Diagnosis of peripheral neuropathy

 

Norway [5]

Netherlands [1]

USA [6]

Number of patients:

226

743

231

Idiopathic axonalb

28%

26%

12%

Diabetic

18%

32%

46%

Toxic (alcohol, drugs chemotherapy etc.)

10%

14%

13%

Inflammatory / Immune-mediated

16%

9%

8%

Hereditary

14%

5%

7%

Vasculitic, amyloid neuropathy, sarcoid, connective tissue disease

a

5%

1%

Uremic, thyroid dysfunction

a

4%

3%

Vitamin B12 deficiency

4%

3%

1%

Others (i.e. idiopathic small fiber neuropathyb)

10%

2%

 
  1. a = not classified, b = axonal in the study from the Netherlands