Skip to main content

Table 3 Diagnostic performances of three-dimensional power Doppler indices at different cut-off values in detecting ovarian malignancy

From: Reliability of preoperative evaluation of postmenopausal ovarian tumors

3DPD indices
Cut-off value
Sensitivity
%
95% CI Specificity
%
95% CI PPV % 95% CI NPV % 95% CI Accuracy
%
VI (%) → Area under the ROC curve = 0.86
1.00 67.7 48.6–83.3 90.9 81.3–96.6 77.8 57.7–91.4 85.7 75.3–92.9 83.5
FI → Area under the ROC curve = 0.72
30 83.9 66.3–94.6 51.5 38.9–64.0 44.8 31.7–58.5 87.2 72.6–95.7 61.9
VFI → Area under the ROC curve = 0.87
0.31 71.0 52.0–85.8 89.4 79.4–95.6 75.9 56.5–89.7 86.8 76.4–93.8 83.5
  1. 3DPD Three-dimensional power Doppler; CI Confidential interval; PPV Positive predictive value; NPV Negative predictive value; ROC Receiver operating characteristics; VI Vascularization index; FI Flow index; VFI Vascularization flow index