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Table 4:

Diagnostic performances of duplex parameters for dural arteriovenous fistula

CutoffSensitivitySpecificityPPVNPVAccuracy
OA
    RI0.760.960.970.920.980.96
    PSV920.670.880.700.870.82
    EDV140.960.950.880.980.95
ECA
    RI0.750.880.870.720.950.87
    PSV1030.580.580.360.780.58
    EDV180.960.670.530.980.75
CCA
    RI0.590.290.980.880.780.79
    PSV1070.250.870.430.740.69
    EDV330.500.950.800.830.82
  • Note:—EDV indicates end diastolic velocity (centimeters/second); NPV, negative predictive value; PPV, positive predictive value; PSV, peak systolic velocity (cm/s); RI, resistance index.