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

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

	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	–	–	–	–

ISSN: 1475-925X