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Table 2: 
Diagnostic performance of TR-MRA and FP-MRA compared with DSA, and interobserver agreement
TR-MRA (95% CI)FP-MRA (95% CI)
Diagnosis of SDAVF
    Sensitivity100% (59%–100%)100% (76%–100%)
    Specificity80% (28%–99%)82% (48%–98%)
    Positive predictive value91% (59%–100%)91% (71%–99%)
    Negative predictive value100% (28%–100%)100% (55%–100%)
    κ Agreement1.0 (1.0–1.0)1.0 (1.0–1.0)
Localization
    Reader accuracy to within 1 level of DSAa100% (72%–100%)87% (62%–96%)
    κ Agreement1.0 (1.0–1.0)0.87 (0.70–1.00)
  • ↵a When SDAVF location within the FOV (n = 15); in 5 cases where the fistula was beyond the FOV, at least 1 of the observers suspected fistula outside FOV on MRA.