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Table 4 Reliability analysis of the SINS among radiation oncologists and spine surgeons

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

Profession Inter-observer agreement Intra-observer reproducibility
Three-point scale (95% CI) Binary scale (95% CI) Three-point scale (95% CI) Binary scale (95% CI)
Radiation oncologists 0.54 (0.40-0.64) 0.76 (0.56-0.88) 0.65 (0.60-0.71) 0.80 (0.74-0.86)
Spine surgeons (Gold standard) 0.65 (0.50-0.75) 0.83 (0.65-0.93) n.a. n.a.