Table 4.

Normalised dosimetric differences ΔD_norm (see equation (2)), as well as dosimetric variability (see section 2.4). Negative ΔD_norm mean larger mean doses to gold standard structures. For a reference, we also include the inter-expert variability (IEV).

VOI	method	$\overline{\Delta D_{\text{norm}}}\left[\%\right]$	IEV [%]
right parotid	A	0.06±12.93
	B	-0.84±10.82	5.56±4.78
	C	0.02±10.26
left parotid	A	-0.65±11.39
	B	0.83±6.51	6.00±3.93
	C	0.68±6.28
spinal cord	A	0.95±10.68
	B	-2.77±6.64	4.76±4.58
	C	-2.17±7.41
mandible	A	-0.66±1.64
	B	-1.02±0.85	0.46±0.26
	C	-0.84±1.18