Table 1.

Summary of DSC and HD

		Contour			P-value*
		(1) Manual (n = 100)	(2) Corrected auto (n = 100)	(3) Auto (n = 10)	(1) vs. (2)	(1) vs. (3)	(2) vs. (3)
DSC (mean ± SE)	Thyroid	0.80 ± 0.01	0.80 ± 0.01	0.79 ± 0.02	.953	.042	.014
	Lung_right	0.98 ± 0.00	0.97 ± 0.00	0.97 ± 0.00	< .001	< .001	.262
	Lung_left	0.97 ± 0.00	0.96 ± 0.00	0.96 ± 0.01	< .001	< .001	.801
	Breast_right	0.81 ± 0.00	0.90 ± 0.00	0.91 ± 0.00	< .001	< .001	.596
	Breast_left	0.83 ± 0.00	0.90 ± 0.00	0.90 ± 0.01	< .001	< .001	.280
	Spinal cord	0.82 ± 0.01	0.85 ± 0.00	0.85 ± 0.01	.001	.001	.136
	Esophagus	0.84 ± 0.00	0.83 ± 0.00	0.82 ± 0.01	.001	< .001	< .001
	Heart	0.92 ± 0.00	0.94 ± 0.00	0.95 ± 0.00	< .001	< .001	.029
	Liver	0.94 ± 0.00	0.94 ± 0.00	0.93 ± 0.01	< .001	< .001	< .001
HD (mean ± SE)	Thyroid	3.82 ± 0.20	4.12 ± 0.26	4.28 ± 0.83	0.33	0.056	0.021
	Lung_right	2.37 ± 0.15	2.46 ± 0.09	2.42 ± 0.29	> .999	> .999	0.472
	Lung_left	3.61 ± 0.35	2.93 ± 0.18	2.99 ± 0.67	0.077	0.115	0.538
	Breast_right	12.44 ± 0.80	8.06 ± 0.35	7.54 ± 0.65	< .001	< .001	0.284
	Breast_left	10.85 ± 0.58	8.14 ± 0.33	8.15 ± 1.05	< .001	< .001	> .999
	Spinal cord	3.95 ± 0.54	2.20 ± 0.04	2.21 ± 0.11	0.005	0.005	0.475
	Esophagus	3.95 ± 0.36	3.16 ± 0.06	3.46 ± 0.21	0.1	0.574	< .001
	Heart	8.26 ± 0.55	5.42 ± 0.29	4.73 ± 0.33	< .001	< .001	0.034
	Liver	6.92 ± 0.64	5.95 ± 0.32	9.74 ± 3.16	0.335	0.085	0.002

Abbreviations: DSC, Dice similarity coefficient; HD, Hausdorff distance; SE, standard error

^*P-values were calculated using the paired t-test with Bonferroni correction