Table 5:

Sensitivity, specificity, PPV, and NPV of the second sitting (FLAIR, T2*, and ASL/TOF images)

ReadersSensitivity (95% CI)Specificity (95% CI)PPV (95% CI)NPV (95% CI)
185% (62–97)100% (63–100)100% (80–100)72.7% (39–94)
285% (62–97)94.4% (47–100)87.5% (72–100)70% (35–93)
380% (56–94)94.1% (47–100)87.5% (71–100)63.6% (31–89)
Consensus85% (62–97)100% (63–100)100% (80–100)73% (39–94)
  • Note:—PPV indicates positive predictive value; NPV, negative predictive value.