Table 3:

Diagnosis-based validation of all eTCCD-examinations (n = 164) in correlation to DSA

Reviewer 1Reviewer 2Consensus
NE4 (1–7)4 (1–7)4 (1–7)
Sensitivity82 (75–90)80 (72–88)82 (75–90)
Specificity96 (88–100)98 (90–100)98 (90–100)
PPV98 (92–100)99 (93–100)99 (94–100)
NPV75 (63–84)73 (62–83)75 (64–85)
  • Note:—PPV indicates positive predictive value; NPV, negative predictive value; NE, not evaluable; eTCCD, echo-enhanced transcranial color-coded duplex sonography. All values are shown in percent. Numbers in parentheses represent 95% confidence intervals.