Table 3.

The mean magnitude of deformation for organs of interest between the artificial planning CT and daily images shown in Fig. 4. They were computed from the known deformation generated randomly from the variation models.

Simulation Set	Organ	$Daily\hspace{0.17em}CT\hspace{0.17em}{D}_{\mathit{\text{max}}}=2.0\hspace{0.17em}Mean\pm SD\hspace{0.17em}(mm)$	$Daily\hspace{0.17em}CT\hspace{0.17em}{D}_{\mathit{\text{max}}}=3.5\hspace{0.17em}Mean\pm SD\hspace{0.17em}(mm)$	$Daily\hspace{0.17em}CT\hspace{0.17em}{D}_{\mathit{\text{max}}}=4.5\hspace{0.17em}Mean\pm SD\hspace{0.17em}(mm)$
	Left parotid	$9.15\pm 0.71$	$17.40\pm 0.94$	$9.26\pm 0.99$
1	Right parotid	$7.86\pm 0.70$	$14.60\pm 0.88$	$7.73\pm 0.86$
	Mandible	$7.66\pm 0.68$	$14.70\pm 1.22$	$8.65\pm 0.76$
2	Left parotid	$8.64\pm 0.69$	$10.70\pm 0.89$	$19.55\pm 1.00$
	Right parotid	$7.13\pm 0.68$	$8.13\pm 0.83$	$16.74\pm 0.91$