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Table 1 The modified Japanese Orthopedic Association (mJOA) score

From: Laminectomy alone versus laminectomy with lateral mass screw fixation in the treatment of multisegment cervical spinal canal stenosis: a comparative analysis

(1) Motor dysfunction of the upper extremities

 

Unable to feed oneself

0

Unable to use knife and fork but can eat with spoon

1

Able to use knife and fork with much difficulty

2

Able to use knife and fork with slight difficulty

3

None

4

(2) Motor dysfunction of the lower extremities

 

Unable to walk

0

Can walk on flat floor with walking aid

1

Can walk up and/or down stairs with handrail

2

Lack of stability and smooth gait

3

None

4

(3) Sensory deficit

   
 

Upper extremities

Lower extremities

Trunk

Sever sensory loss or pain

0

0

0

Mild sensory loss

1

1

1

None

2

2

2

(4) Bladder dysfunction

 

Unable to void

0

Marked difficulty in micturition (retention)

1

Mild difficulty in micturition (frequency and hesitation)

2

None

3

Total score = 17