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Table 4 Interobserver agreement between two experts using three-dimensional power Doppler (3DPD) indices

From: Reliability of preoperative evaluation of postmenopausal ovarian tumors

3DPD indices

Expert opinion 1

Expert opinion 2

p-valuea

Median

(25–75% quartiles)

Median

(25–75% quartiles)

VI

0.337 (0.069–1.098)

0.259 (0.066–0.894)

0.151

FI

31.796 (25.308–35.821)

31.693 (26.351–36.638)

0.839

VFI

0.112 (0.019–0.397)

0.079 (0.019–0.292)

0.257

  1. 3DPD Three-dimensional power Doppler; VI Vascularization index; FI Flow index; VFI Vascularization flow index
  2. aCalculated by related-samples Wilcoxon signed rank test