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TABLE 2:

Data regarding sensitivity, specificity, and negative predictive value [mean (observer 1 − observer 2)]

SensitivityFitted Probability*Odds*SpecificityNPV
T2W-FSE0.74 (0.64 − 0.83).7352.7830.99 (1.00 − 0.97)0.86
T2W-FS-FSE0.70 (0.64 − 0.76).6992.3331.00 (1.00 − 1.00)0.85
CE-T1 W-FS-SE0.73 (0.67 − 0.79).7382.6831.00 (1.00 − 1.00)0.86
3D TOF MRA0.89 (0.87 − 0.90).9177.7490.99 (0.99 − 0.99)0.93
  • * Fitted probability and odds determined with logistic regression model.

  • Note.—NPV indicates negative predictive value; T2W-FSE, dual T2-weighted fast spin-echo; T2W-FS-FSE, T2-weighted fat-suppressed fast spin-echo; CE-T1W-FS-SE, contrast-enhanced T1-weighted fat-suppressed spin-echo; 3D TOF MRA, unenhanced and contrast-enhanced 3D time-of-flight MR angiography.