Table 1.

DSC values of the OARs segmentation

OARs	Methods				P‐value
					ANOVA	LSD test
	1. SRD	2. FSU	3. U‐Net	4.CNN Cascades		4 vs 1	4 vs 2	4 vs 3
Brainstem	0.86 ± 0.03	0.87 ± 0.02	0.84 ± 0.04	0.90 ± 0.02	<0.001	=0.001	=0.017	<0.001
Spinal cord	0.86 ± 0.02	0.86 ± 0.02	0.85 ± 0.03	0.91 ± 0.01	<0.001	<0.001	<0.001	<0.001
Left eye	0.89 ± 0.03	0.91 ± 0.02	0.88 ± 0.04	0.93 ± 0.01	<0.001	<0.001	=0.060	<0.001
Right eye	0.89 ± 0.02	0.90 ± 0.02	0.89 ± 0.02	0.92 ± 0.02	=0.002	<0.001	=0.037	=0.001
Left parotid	0.82 ± 0.03	0.83 ± 0.04	0.81 ± 0.03	0.86 ± 0.03	<0.001	<0.001	=0.010	<0.001
Right parotid	0.81 ± 0.06	0.82 ± 0.04	0.80 ± 0.05	0.86 ± 0.03	=0.001	=0.001	=0.013	<0.001
Mandible	0.89 ± 0.02	0.90 ± 0.02	0.87 ± 0.04	0.92 ± 0.02	<0.001	=0.005	=0.159	<0.001