Table 2.

sDSC values (mean ± std) for the in-house and external DL model for all ROIs, compared to manual delineations and each other. Significant difference of metrics between the two models, when compared to manual delineations, is indicated with an asterisk.

		In-house vs manual	External vs manual		In-house vs external
CTVp	mean ± std	0.87 ± 0.05	0.86 ± 0.06	*	0.89 ± 0.06
	median (range)	0.88 (0.70, 0.98)	0.87 (0.70, 0.97)		0.90 (0.63, 0.96)
CTVn1	mean ± std	0.70 ± 0.10	0.65 ± 0.12	*	0.68 ± 0.11
	median (range)	0.69 (0.40, 0.89)	0.63 (0.40, 0.84)		0.68 (0.40, 0.83)
CTVn2	mean ± std	0.82 ± 0.08	0.80 ± 0.07		0.76 ± 0.09
	median (range)	0.84 (0.60, 0.98)	0.81 (0.60, 0.89)		0.77 (0.57, 0.91)
CTVn3	mean ± std	0.84 ± 0.08	0.75 ± 0.10	*	0.80 ± 0.10
	median (range)	0.86 (0.70, 0.96)	0.77 (0.50, 0.96)		0.82 (0.57, 0.95)
CTVn4	mean ± std	0.79 ± 0.14	0.43 ± 0.11	*	0.36 ± 0.10
	median (range)	0.82 (0.40, 0.98)	0.44 (0.10, 0.69)		0.36 (0.18, 0.57)
Heart	mean ± std	0.85 ± 0.07	0.82 ± 0.07	*	0.94 ± 0.06
	median (range)	0.86 (0.70, 0.96)	0.82 (0.60, 0.97)		0.84 (0.65, 0.92)
Lung (left)	mean ± std	0.98 ± 0.02	0.93 ± 0.06	*	0.93 ± 0.05
	median (range)	0.99 (0.90, 1.00)	0.96 (0.80, 0.99)		0.95 (0.82, 0.99)
Lung (right)	mean ± std	0.98 ± 0.02	0.92 ± 0.09	*	0.93 ± 0.08
	median (range)	0.98 (0.90, 1.00)	0.98 (0.70, 0.99)		0.99 (0.77, 1.00)
Thyroid	mean ± std	0.80 ± 0.19	0.87 ± 0.18	*	0.88 ± 0.09
	median (range)	0.88 (0.10, 0.97)	0.95 (0.10, 0.99)		0.90 (0.67, 0.99)
Esophagus	mean ± std	0.87 ± 0.09	0.42 ± 0.07	*	0.38 ± 0.04
	median (range)	0.91 (0.70, 0.99)	0.42 (0.30, 0.55)		0.39 (0.29, 0.45)
Esophagus (overlap)	mean ± std	0.95 ± 0.06	0.99 ± 0.02	*	0.94 ± 0.05
	median (range)	0.97 (0.74, 1.00)	1.00 (0.92, 1.00)		0.96 (0.73, 1.00)
Humeral head	mean ± std	0.71 ± 0.09	0.82 ± 0.11		0.78 ± 0.09
	median (range)	0.79 (0.70, 1.00)	0.80 (0.60, 1.00)		0.75 (0.64, 0.98)