Table 3.

Evaluation metrics (mean ± standard deviation) across pooled structures according to each registration method. DSC, Dice similarity coefficient; MSD, mean surface distance.

	Metric	ADMIRE	Velocity	Elastix Default	Elastix 23	Demons	Raystation	None
OARs	DSC	0.76±0.09	0.67±0.16	0.51±0.21	0.78±0.08	0.60±0.16	0.58±0.18	0.71±0.13
	MSD (mm)	1.12±0.51	1.68±1.25	3.68±2.92	1.01±0.49	2.19±1.16	2.39±1.92	1.46±0.92
Tumor	DSC	0.70±0.09	0.59±0.25	0.33±0.20	0.71±0.09	0.60±0.12	0.63±0.16	0.62±0.21
	MSD (mm)	1.38±0.55	3.63±6.62	5.49±3.59	1.25±0.52	2.00±0.82	1.88±1.03	2.64±3.56

OARs, organs at risk; DSC, Dice similarity coefficient; MSD, mean surface distance.