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Table 2 Clinical utility index (CUI) of the 4 modalities

From: Dixon chemical shift MR sequences for demonstrating of bone marrow vertebral metastasis

Modality

 + CUI

 − CUI

Value

Rating (for case finding)

Value

Rating (for screening)

T2 Dixon (WO) and T2 (OP)

0.783

Good

0.375

Poor

T1 post-contrast Dixon (WO)

0.925

Excellent

0.636

Fair

T1 and T2 Dixon (FO)

0.894

Excellent

0.553

Fair

T1 post-contrast (OP)

0.826

Excellent

0.429

Poor

  1. Measures were calculated by Clinical Utility Index Calculator (version 4), https://www.psycho-oncology.info/cui.html, accessed December 2, 2021 [20]
  2. CUI positive clinical utility index (sensitivity multiplied by positive predictive value); − CUI negative clinical utility index (specificity multiplied by negative predictive value)