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Table 2 summary of the JOA scoring system for the assessment of myelopathy

From: Thoracic myelopathy caused by ossification of ligamentum flavum of which fluorosis as an etiology factor

neurological status score
lower-limb motor dysfunction  
   unable to walk 0
   Able to walk on flat floor with walking aid 1
   Able to walk up/downstairs w/handrail 2
   Lack of stability & smooth reciprocation of gait 3
   no dysfunction 4
lower-limb sensory deficit  
   severe sensory loss or pain 0
   Mild sensory deficit 1
   no deficit 2
trunk sensory deficit  
   severe sensory loss or pain 0
   Mild sensory deficit 1
   no deficit 2
sphincter dysfunction  
   unable to void 0
   marked difficulty in micturition 1
   minor difficulty in micturition 2
   no dysfunction 3
  1. Total score for a healthy patient is 11.