Table 3

Sensitivity and specificity of elevated values, area under the curve of the ROC curve, and predictive values for ICTP, CRP, and β2-MG for depiction of skeletal involvement in MRI

ICTPCRPβ2-MG
Sensitivity79%64%29%
Specificity89%94%89%
AUCa0.810.7460.675
Positive predictive value85%90%67%
Negative predictive value84%77%62%
  • a AUC, area under the curve.