Table 7.

Mean relative dose‐errors measured with Delta4.

	Relative Dose‐error, %
Plan	Prostate $(\mathit{N}=\mathit{1956})$	Multi‐Target $(\mathit{N}=\mathit{3388})$	H&N Single‐arc $(\mathit{N}=\mathit{3371})$	HN Double‐arc $(\mathit{N}=\mathit{2330})$	C‐Shape Single‐arc $(\mathit{N}=\mathit{1507})$	C‐Shape Double‐arc $(\mathit{N}=\mathit{1938})$	All $(\mathit{N}=\mathit{13710})$
	$0.1\pm 2.5$	$-1.6\pm 4.2$	$-0.7\pm 4.4$	$-0.8\pm 4.1$	$-2.3\pm 5.0$	$-0.9\pm 4.6$	$-1.0\pm 4.2$