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Table 3: 
Sensitivity, specificity, PPV, and NPV of MRV (TOF and TRICKS) and Doppler sonography relative to catheter venography (criterion standard) for detection of IJV anomaliesa
Measure/SideSensitivity (%)Specificity (%)PPV (%)NPV (%)
TOF
    Right99 (44–100)33 (3–51)45 (12–65)99 (21–100)
    Left99 (21–100)45 (12–065)33 (3–51)99 (44–100)
    Both99 (51–100)33 (10–49)33 (10–49)99 (51–100)
TRICKS
    Right99 (44–100)44 (8–64)49 (14–69)99 (34–100)
    Left99 (21–100)45 (12–65)33 (3–51)99 (44–100)
    Both99 (51–100)39 (14–56)35 (11–52)99 (57–100)
DS
    Right79 (21–94)100 (65–100)99 (34–100)90 (53–98)
    Left99 (21–100)100 (70–100)99 (21–100)100 (70–100)
    Both82 (30–95)100 (81–100)99 (44–100)95 (73–99)
  • a 95% confidence intervals are shown in parentheses for all values.