Research Article
Short-Segment Instrumentation with Fractured Vertebrae Augmentation by Screws and Bone Substitute for Thoracolumbar Unstable Burst Fractures
Table 1
Denis pain scale and work scale.
| Pain scale | P1: no pain | P2: occasional pain not requiring medication | P3: moderate pain requiring occasional medication | P4: moderate to severe pain requiring frequent medication | P5: constant incapacitating pain requiring chronic medication | Work scale | W1: returned to previous employment | W2: capable but did not return to previous employment | W3: unable to return to previous employment and currently employed in a different full-time job | W4: unable to return to previous employment and currently working part-time or frequently absent from work because of pain | W5: completely disabled and unable to work |
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Source: Denis F et al. Clin Orthop Relat Res. 1984; 189 : 142-9. P = pain; W = work.
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