Table 2.
Tokuhashi classification[14]
| Characteristic | Score |
| General condition (performance status) | |
| Poor (10%-40%) | 0 |
| Moderate (50%-70%) | 1 |
| Good (80%-100%) | 2 |
| No. of extraspinal bone metastasis foci | |
| ≥ 3 | 0 |
| 1-2 | 1 |
| 0 | 2 |
| No. of extraspinal metastasis foci in the vertebral body | |
| ≥ 3 | 0 |
| 1-2 | 1 |
| 0 | 2 |
| Metastases to the major internal organs | |
| Unremovable | 0 |
| Removable | 1 |
| No metastases | 2 |
| Primary site of the cancer | |
| Lung, osteosarcoma, stomach, bladder, esophagus, pancreas | 0 |
| Liver, gallbladder, unidentified | 1 |
| Others | 2 |
| Kidney, uterus | 3 |
| Rectum | 4 |
| Thyroid, breast, prostate, carcinoid tumor | 5 |
| Palsy | |
| Complete (Frankel A, B) | 0 |
| Incomplete (Frankel C, D) | 1 |
| None (Frankel E) | 2 |
Criteria of predicted prognosis: Total score (TS) 0-8: < 6 mo; TS 9-11: ≥ 6 mo; TS 12-15: ≥ 1 year.