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Table 2 Comparison of median ratings between the three observers for all evaluated structures. The same median ratings could be found for total bone marrow (TBM), bladder and bowel cavity. Median ratings for small and large bowel structures varied between 2–3

From: Pelvic U-Net: multi-label semantic segmentation of pelvic organs at risk for radiation therapy anal cancer patients using a deeply supervised shuffle attention convolutional neural network

Observer median ratings (\(n = 15\))
Observer SA GA JE
Structure Median (range) Median (range) Median (range)
TBM 1 (1–2) 1 (1–1) 1 (1–3)
Bladder 1 (1–2) 1 (1–3) 1 (1–1)
Bowel cavity 2 (1–2) 2 (1–3) 2 (1–3)
All bowel 2 (1–3) 2 (1–3) 1 (1–4)
Small bowel 3 (1–3) 2 (1–4) 3 (1–4)
Large bowel 3 (1–4) 3 (1–4) 2 (1–4)