Table 1.

Comparison of multi-organ segmentation models.

Model	Metric	Prostate	Bladder	Rectum	SV	Femoral Heads	Average
UNet	DSC	0.843 ± 0.049	0.958 ± 0.016	0.835 ± 0.053	0.719 ± 0.127	0.937 ± 0.017	0.859 ± 0.053
	HD95	4.88 ± 1.09	2.90 ± 0.27	6.30 ± 2.77	7.41 ± 9.15	3.06 ± 1.13	4.91 ± 2.88
UNETR	DSC	0.826 ± 0.044	0.939 ± 0.050	0.811 ± 0.067	0.707 ± 0.116	0.935 ± 0.015	0.844 ± 0.058
	HD95	5.33 ± 1.46	4.84 ± 3.39	7.04 ± 3.27	5.71 ± 2.84	3.18 ± 1.06	5.22 ± 2.41
Axial UNet	DSC	0.844 ± 0.054	0.952 ± 0.026	0.829 ± 0.066	0.710 ± 0.134	0.935 ± 0.019	0.854 ± 0.060
	HD95	5.04 ± 1.58	3.44 ± 1.20	6.15 ± 2.70	7.22 ± 9.19	3.18 ± 1.24	5.01 ± 3.18
ACA-UNet	DSC	0.853 ± 0.045 *	0.956 ± 0.015	0.832 ± 0.062	0.744 ± 0.116 *	0.935 ± 0.017	0.864 ± 0.051 *
	HD95	4.91 ± 1.16	2.96 ± 0.40	6.07 ± 2.54	6.60 ± 9.31	3.09 ± 1.05	4.73 ± 2.90

^*denotes statistically significant improvement over UNet baseline ($p<0.05$ using Wilcoxon signed-rank test with Bonferroni correction for multiple comparisons). SV: seminal vesicles. Bold indicates the best performance for each organ.