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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