Table 1 Patient specific factors influencing indication for spine SBRT
| Â | UHW | UPMC | UofT | UVAMC | RSMC |
|---|---|---|---|---|---|
Use of a predictive scoring system for OS | Yes, Mizumoto Score | No | Life expectancy ≥ 3 months | Patients with widespread CNS and systemic disease are excluded | No |
Histology of primary tumor | No treatment of highly radiosensitive histologies | Avoid relatively radiosensitive histologies | No myeloma unless previously radiated | No treatment of radiosensitive histologies | No relevant factor |
Status of primary tumor | Yes, part of the Mizumoto Score | No relevant factor | Yes, for estimation of life expectancy | No relevant factor | No relevant factor |
Presence of visceral metastases | Yes, part of the Mizumoto Score | No relevant factor | Yes, for estimation of life expectancy | Yes, see above | No relevant factor |
Age | Yes, part of the Mizumoto Score | No relevant factor | No relevant factor | No relevant factor | No relevant factor |
Performance status of patient | Yes, part of the Mizumoto Score | Exclusion of patients with extremely poor performance status | Must be able to tolerate immobilization for 45 min. | KPS should be ≥70 | KPS must be ≥60 |
Comorbidities of patient | No relevant factor | No relevant factor | No relevant factor | No relevant factor | No relevant factor |
Interval between primary tumor and spinal metastases | No relevant factor | No relevant factor | No relevant factor | No relevant factor | No relevant factor |