Table 3:

Spatial measures of similarity across repeat image segmentations

BraTumIA Version	Dice Coefficient (95% CI)		95%ile HD, mm (95% CI)^{^b}		Average HD, mm (95% CI)^{^b}
BraTumIA Version	1.2	2.0	1.2	2.0	1.2	2.0
Enhancing	0.81 (0.75–0.86)	0.75 (0.70–0.81)	19 (17–21)	14 (12–16)	0.88 (0.72–1.1)	0.72 (0.60–0.84)
Edema	0.79 (0.75–0.84)	0.77 (0.73–0.81)	39 (34–45)	28 (24–31)	0.89 (0.72–1.1)	0.79 (0.66–0.94)
Nonenhancing	0.27 (0.19–0.36)	0.24 (0.16–0.31)^{^a}	22 (20–25)	17 (16–19)^{^a}	3.9 (3.2–4.8)	3.1 (2.7–3.6)^{^a}
Necrotic	0.51 (0.41–0.61)	0.45 (0.34–0.56)	18 (16–21)	16 (15–19)	2.3 (1.8–3.0)	2.3 (1.8–2.9)
Total tumor-related abnormality	0.85 (0.81–0.88)	0.83 (0.80–0.87)	39 (33–46)	27 (24–31)	0.59 (0.47–0.73)	0.59 (0.48–0.73)
Total nonenhancing tumor-related abnormality	0.80 (0.75–0.84)	0.77 (0.74–0.81)	40 (34–47)	27 (24–31)	0.70 (0.58–0.85)	0.76 (0.63–0.90)
Nonenhancing non-necrotic tumor-related abnormality	0.80 (0.75–0.84)	0.77 (0.73–0.81)	39 (33–48)	28 (24–31)	0.71 (0.59–0.86)	0.78 (0.65–0.93)
White matter	0.84 (0.83–0.85)	0.80 (0.79–0.82)	19 (18–20)	17 (17–18)	0.28 (0.26–0.30)	0.36 (0.34–0.38)
Gray matter	0.76 (0.75–0.78)	0.72 (0.70–0.74)	13 (12–13)	14 (13–14)	0.37 (0.36–0.39)	0.48 (0.46–0.50)