Table 2.

Reported Dice Similarity Coefficient (DSC) in literature for different organs.

Organ	No. of studies (N = 14)	Reference papers	DSC (median, IQR range)
PG	13	56–67, 100	0.84 (0.83–0.86)
Mandible	9	56–61, 64, 67, 100	0.93 (0.90–0.94)
Brainstem	8	56–61, 67, 100	0.86 (0.84–0.89)
Optic nerves	7	56, 58–61, 64, 67	0.69 (0.67–0.71)
Submandibular glands	7	56, 58–61, 64, 67, 100	0.80 (0.76–0.81)
Chiasm	5	56, 59, 61, 64, 68	0.532 (0.412–0.581)
Spinal cord	4	57, 58, 60, 64	0.88 (0.77–0.96)
Oral cavity	3	57, 58, 100	0.90 (0.80- 0.91)
Eyeballs	2	57, 64	0.91
Lenses	2	57, 60	0.86
Temporomandibular joint	2	57, 64	0.85
Cochleae	2	58, 60	0.82 a
Pharyngeal constrictors	2	58	0.57 b
Glottic region	2	58, 100	0.57 c
Brain	1	60	0.99 c
Lacrimal glands	1	60	0.65 c
Orbits	1	60	0.93 c
Spinal canal	1	60	0.84 c
Lungs	1	60	0.98
Upper esophagus	1	58	0.69
Supraglottic larynx	1	58	0.77
Larynx	1	57	0.87
Mastoids	1	57	0.82
Whole pharynx	1	64	0.69

^aVandewinckele et al. (57) achieved a DSC of 0.65 with the use of CNN and Nikolov et al. (59) a DSC of 0.982 by a 3D U-Net.

^bThe reported DSC was computed as an average of inferior, medial and superior.

^cThe average value of two (in some cases three) models was considered.