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Table 5 Evaluation methods of the auto-segmentation accuracy by geometric indexes in 4 studies

From: A novel specific grading standard study of auto-segmentation of organs at risk in thorax: subjective–objective-combined grading standard

  DSC ΔCMD(cm) ΔV(%) MHD(cm) AHD(cm)
Level 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4
Our center (mean value) 0–0.7 0.7–0.8 0.8–1.0 1  > 1.0 0.5–1.0 0–0.5 0  > 20 10–20 0–10 0  > 2.2 1.0–2.2 0–1.0 0  > 0.4 0.2–0.4 0–0.2 0
Velker et al. [9] (mean value) 0–0.6 0.6–0.8 0.8–1.0
Ciardo et al. [5] (median value) 0–0.6 0.6–0.8 0.8–1.0  > 0.5 0.2–0.5 0–0.2  > 0.40 0.15–0.40 0–0.15
Lustberg et al. [7] (median value) 0.57 0.89 0.91 0.98 2.6 1.7 1.1 0.4