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Table 2 SINS scores organized as a total score, three-clinical categories, and binary scale with their corresponding levels of stability where surgical consultation is recommended for a total score ≥ 7

From: Reliability of the Spinal Instability Neoplastic Score (SINS) among radiation oncologists: an assessment of instability secondary to spinal metastases

Total Score (0-18 SINS) 1 2 3 4 5 6   7 8 9 10 11 12   13 14 15 16 17 18
Three Clinical Categories (3-point) Stability   Potentially Unstable   Unstable
Binary Scale (2-point) Stability   Current or potential instability; Surgical consultation recommended