Table 2.

Dose of PTVs and significance of differences for VMAT and IMRT plans (results are averaged for five patients)

	$V_{110\%}(\%)$	$V_{105\%}(\%)$	$V_{100\%}(\%)$	$V_{95\%}(\%)$	$D_{90}(\mathit{\text{Gy}})$
IMRT	$21.98\pm 4.56$	$72.85\pm 4.31$	$95.23\pm 0.11$	$98.58\pm 2.66$	$51.43\pm 0.13$
VMAT	$7.18\pm 4.78$	$55.65\pm 3.91$	$95.38\pm 1.40$	$99.30\pm 2.93$	$51.23\pm 0.21$
t value	3.47	4.69	1.25	1.81	0.92
p value	$<0.05$	$<0.05$	$>0.05$	$>0.05$	$<0.05$
	$D_{\mathit{\text{max}}}$ (Gy)	$D_{\mathit{\text{min}}}$ (Gy)	$D_{\mathit{\text{mean}}}$ (Gy)	HI	CI
IMRT	$57.28\pm 0.44$	$47.98\pm 0.45$	$53.66\pm 0.21$	$0.17\pm 0.02$	$0.64\pm 0.39$
VMAT	$55.66\pm 0.51$	$49.18\pm 0.27$	$53.06\pm 0.23$	$0.12\pm 0.11$	$0.77\pm 0.49$
t value	2.93	4.36	2.67	5.32	8.40
p value	$<0.05$	$<0.05$	$>0.05$	$<0.05$	$<0.05$