Table 3.

Performance on test data set using 2.5D/2D U-Net.

Performance measure	Median	Mean ± Std. dev.	Range
Based on 5-fold cross validation (2.5D U-Net)
Dice score	0.94	0.92 ± 0.06	0.57 – 0.97
APE (%)	1.46	3.09 ± 4.52	0.02 – 32.49
Based on single model with 0.1 validation set (2.5D U-Net)
Dice score	0.94	0.92 ± 0.07	0.41 – 0.97
APE (%)	2.80	4.86 ± 7.62	0.04 – 54.28
Based on single model with 0.1 validation set (2D U-Net)
Dice score	0.94	0.92 ± 0.05	0.57 – 0.97
APE (%)	3.82	5.16 ± 5.64	0.03 – 46.55
AutoMATiCA results
APE (%)	4.0	4.98 ± 6.78	0.20 – 53.68