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Table 1: 
Performances of axial scan and postprocessing techniques
Method of Evaluation% Sensitivity (CI)% Specificity (CI)% PPV (CI)% NPV (CI)
Axial scan90.9 (81.1–100.7)94.7 (89.7–99.8)88.2 (77.4–99.1)96.0 (91.6–100.4)
MIP78.8 (64.8–92.7)92.1 (86.0–98.2)81.3 (67.7–94.8)90.9 (84.5–97.3)
MPR75.8 (61.1–90.4)90.8 (84.3–97.3)78.1 (63.8–92.4)89.6 (82.8–96.4)
SSD39.4 (22.7–56.1)88.2 (80.9–95.4)59.1 (38.5–79.6)77 (68.2–85.9)
VR87.9 (76.7–99)97.4 (93.8–101)93.5 (84.9–102.2)94.9 (90–99.8)
VR + axial scan93.9 (85.8–102.1)98.7 (96.1–101.2)93.5 (84.9–102.2)97.4 (93.8–101)
  • Note:—CI indicates confidence interval; PPV, positive predictive value; NPV, negative predictive value; MIP, maximum intensity projection; MPR, multiplanar reconstruction; SSD, shaded surface display; VR, volume rendering.