Table 1:

Differences between segmentation volumes obtained at baseline and repeat imaging (in mL)

Segmented Region	Mean Segmentation Volumes, BraTumIA 1.2 [SD]		Mean Segmentation Volumes, BraTumIA 2.0 [SD]		Mean Difference in Volume between Baseline and Repeat Scans [SD]
Segmented Region	Baseline	Repeat	Baseline	Repeat	BraTumIA 1.2	BraTumIA2.0
Enhancing	24.2 [17.1]	26.3 [18.5]	22.9 [16.6]	24.9 [18.1]	2.1^{^a}	2.0^{^b}
Edema	96.5 [34.3]	94.8 [39.2]	93.3 [33.2]	91.0 [37.7]	–1.8	–2.2
Nonenhancing	3.0 [3.2]	3.0 [3.0]	2.8 [2.5]	2.6 [2.4]	0.03	–0.2
Necrotic	5.9 [13.0]	5.6 [12.4]	6.6 [12.6]	7.0 [12.9]	–0.3	0.4
Total tumor-related abnormality	130 [51.3]	130 [56.7]	126 [48.4]	126 [52.8]	0.05	–0.1
Total nonenhancing tumor-related abnormality	105 [38.1]	103 [43.7]	103 [35.7]	101 [40.5]	–2.0	–2.1
Nonenhancing non-necrotic tumor-related abnormality	99.5 [36.2]	97.8 [41.2]	96.1 [34.3]	93.6 [38.4]	–1.7	–2.5
WM	545 [51.8]	543 [50.4]	549 [55.3]	546 [53.0]	–2.7	–2.6
GM	594 [56.8]	597 [54.2]	608 [59.0]	611 [54.6]	2.7	2.8