Table 1.

Scoring System for Thoracic Myelopathy (T-JOA Score).

I　Motor function in the lower extremities
	0:	Unable to stand up and walk by any means
	0.5:	Able to stand up but unable to walk
	1:	Unable to walk without a cane or other support on level ground
	1.5:	Able to walk without support but with a clumsy gait
	2:	Walks independently on level ground but needs support ascending stairs
	2.5:	Walks independently when going upstairs, but needs support descending stairs
	3:	Capable of walking fast but clumsily
	4:	Normal
II　Sensory function
A. Trunk
	0:	Complete loss of touch and pain sensation
	0.5:	50% or less normal sensation and/or severe pain or numbness
	1:	More than 60% normal sensation and/or moderate pain or numbness
	1.5:	Slight subjective numbness without any objective sensory deficit
	2:	Normal
B. Lower extremities
		Same as (A)
III　Bladder function
	0:	Urinary retention and/or incontinence
	1:	Sensation of incomplete voiding, dribbling, thin stream, and/or incontinence
	2:	Urinary continence regression and/or pollakiuria
	3:	Normal

T-JOA, Thoracic Japanese Orthopaedic Association