Table 1 Quebec task force on spinal disorders classification system [61]
QTF category | Description |
|---|---|
1 | Pain without radiation |
2 | Pain + radiation to extremity, proximally |
3 | Pain + radiation to extremity, distally |
4 | Pain + radiation to upper/lower limb with neurologic signs |
5 | Presumptive compression of a spinal nerve root on a simple roentgenogram (that is, spinal instability or fracture) |
6 | Compression of a spinal nerve root confirmed by specific imaging techniques (that is, myelography, computerized axial tomography or magnetic resonance imaging) |
7 | Spinal stenosis |
8 | Postsurgical status, one to six months after intervention |
9 | Postsurgical status, more than six months after intervention |
10 | Chronic pain syndrome |
11 | Other diagnoses (metastases, visceral disease, recent compression fracture, spondylitis) |