Table 1: Evaluation system for cervical myelopathy (compiled by the Japanese Orthopedic Association [11]).

Section score

Points

(I) Upperextremity function
 Impossible to eat with either chopsticks or spoon0
 Possible to eat with spoon, but not with chopsticks1
 Possible to eat with chopsticks, but inadequate2
 Possible to eat with chopsticks, but awkward3
 Normal4
(II) Lower extremity function
 Impossible to walk0
 Need cane or aid on flat ground1
 Need cane or aid on stairs2
 Possible to walk without cane or aids, but slow3
 Normal4
(III) Sensory
 A Upper extremity
  Apparent sensory loss0
  Minimal sensory loss1
  Normal2
 B Lower extremity
  Apparent sensory loss0
  Minimal sensory loss1
  Normal2
 C Trunk
  Apparent sensory loss0
  Minimal sensory loss1
  Normal2
(IV) Bladder function
 Urinary retention or incontinence0
 Severe dysuria (sense of retention, straining)1
 Slight dysuria (pollakiuria, retardation)2
 Normal3

Normal condition = total of best score (I + II + III + IV) = 17 points.