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Table 4 Inter-reader agreement

From: Accuracy of tumor segmentation from multi-parametric prostate MRI and 18F-choline PET/CT for focal prostate cancer therapy applications

Comparison

HD (mm)

MDA (mm)

Dice (range 0–1)

Jaccard (range 0–1)

Reader 1 (seg1) vs. reader 2 (seg2)

8.56 ± 4.80 [7.09; 2.84–16.15]

2.43 ± 2.42 [1.46; 0.73–8.42]

0.41 ± 0.19 [0.45; 0.0–0.62]

0.27 ± 0.13 [0.29; 0.0–0.44]

Reader 1 (seg1) vs. 18F-choline PETEdge (seg3)

8.25 ± 3.95 [8.30; 4.37–14.27]

2.47 ± 1.43 [2.08; 1.07–4.60]

0.37 ± 0.14 [.0.41; 0.11–0.50]

0.23 ± 0.10 [0.26; 0.06–0.34]

Reader 2 (seg2) vs. 18F-choline PETEdge (seg3)

9.73 ± 5.22 [8.72; 3.09–18.16]

2.97 ± 1.91 [2.11; 0.90–7.12]

0.32 ± 0.14 [0.27; 0.15–0.54]

0.20 ± 0.10 [0.16; 0.08–0.37]

  1. Mean ± standard deviation [median; minimum–maximum range]
  2. HD Hausdorff distance, MDA mean distance to agreement