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. 2017 Jul 10;17:40. doi: 10.1186/s12880-017-0211-y

Table 3.

Diagnostic properties of the BSI calculated by EXINI BoneBSI in 142 patients with a true reference

EXINI BoneBSI Sensitivity (%) Specificity (%) PPV (%) NPV (%)
Metastasis present Metastasis absent
BSI > 0 BSI = 0 100% 36.2 12.6 100
BSI > 1 BSI ≤ 1 66.7 97.8 72.7 97.0

BSI bone scan index, NPV negative predictive value, PPV positive predictive value