Table 3.

The outpatient scoring system for distinguishing spinal metastasis from spinal TB.

Predictors	Points
Malignant tumor history
Yes	2
No	0
No subligamentous spread
Yes	1
No	0
Vertebral posterior elements destroyed
Yes	2
No	0
Preserved intervertebral disc
Yes	3
No	0
No sequestra formation
Yes	2
No	0