TABLE 1.

Mean results of specific delineation of pelvic targets and organs at risk (OARs) for 30 patients in the test dataset. The larger of the two Dice similarity coefficients (DSC) values is shown in bold

	DSC			JI			ASD			HD
Anatomy	U‐net	V‐net	p‐Value	U‐net	V‐net	p‐Value	U‐net	V‐net	p‐Value	U‐net	V‐net	p‐Value
CTV	0.83	0.85	p = 0.031	0.75	0.77	p > 0.05	2.26	2.58	p > 0.05	10.08	11.2	p > 0.05
Rectum	0.84	0.85	p > 0.05	0.82	0.83	p > 0.05	1.44	1.30	p > 0.05	3.72	4.35	p > 0.05
Sigmoid	0.72	0.80	p > 0.05	0.68	0.73	p > 0.05	1.16	1.53	p > 0.05	7.78	9.96	p > 0.05
Small bowel	0.74	0.79	p = 0.048	0.72	0.73	p = 0.019	2.17	2.25	p > 0.05	15.16	15.66	p > 0.05
Bladder	0.93	0.94	p > 0.05	0.90	0.90	p > 0.05	1.27	1.36	p > 0.05	4.58	4.52	p > 0.05
Pelvic bones	0.92	0.92	p > 0.05	0.87	0.88	p > 0.05	0.77	0.86	p > 0.05	5.72	5.82	p > 0.05
Colon	0.81	0.82	p = 0.046	0.74	0.76	p = 0.008	2.59	1.88	p > 0.05	13.69	12.49	p > 0.05
Spinal cord	0.72	0.73	p > 0.05	0.63	0.64	p > 0.05	0.98	0.87	p > 0.05	2.77	2.26	p > 0.05
Femoral Head_L	0.84	0.82	p > 0.05	0.77	0.74	p > 0.05	2.13	2.01	p > 0.05	6.85	7.62	p > 0.05
Femoral Head_R	0.82	0.81	p > 0.05	0.76	0.76	p > 0.05	2.07	2.11	p > 0.05	7.92	11.72	p > 0.05
Kidney_L	0.93	0.92	p > 0.05	0.89	0.88	p > 0.05	0.86	0.89	p > 0.05	4.28	4.54	p > 0.05
Kidney_R	0.91	0.92	p > 0.05	0.87	0.88	p > 0.05	0.83	0.87	p > 0.05	3.88	4.05	p > 0.05

Abbreviations: ASD, average surface distance; DSC, Dice similarity coefficients; HD, Hausdorff distance (HD); JI, Jaccard index.