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Table 1 Patient specific factors influencing indication for spine SBRT

From: Clinical practice of image-guided spine radiosurgery - results from an international research consortium

  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