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Table 3: 
Diagnostic performance of semiautomatic measurement in detecting a stenosis degree of ≥70% and ≥50%
Sensitivity (95% CI)Specificity (95% CI)PPV (95% CI)NPV (95% CI)Accuracy (95% CI)
70% Cutoff
    3mensio (observer 1)62 (43–78)96 (91–98)76 (53–92)92 (85–96)89 (82–93)
    Philips (observer 1)46 (29–65)96 (91–99)75 (48–93)88 (82–94)87 (80–92)
    TeraRecon (observer 1)58 (37–77)97 (93–99)83 (59–96)91 (85–95)90 (84–94)
    Siemens (observer 1)62 (40–81)97 (91–99)80 (56–94)92 (85–96)90 (84–94)
50% Cutoff
    3mensio (observer 1)77 (65–86)93 (86–97)91 (80–97)83 (73–90)86 (79–91)
    Philips (observer 1)82 (70–89)93 (86–97)91 (81–97)86 (76–92)88 (81–93)
    TeraRecon (observer 1)76 (65–86)92 (84–97)89 (78–96)82 (73–90)85 (78–90)
    Siemens (observer 1)77 (65–86)95 (87–99)93 (82–98)83 (73–9087 (80–91)
  • Note:—PPV indicates positive predictive value; NPV, negative predictive value.