Table 2.

Summary of the DVH‐based analysis for PTV plan quality metrics and number of MUs represented as the average and standard deviation for 11 IMRT plans

PTV	Original Plan	New Plan	Original ‐ New	p‐value
${\mathrm{D}}_2$ (Gy)	$70.34\pm 2.27$	$67.70\pm 1.14$	$2.65\pm 1.68$	0.002
${\mathrm{D}}_{98}$ (Gy)	$62.34\pm 0.81$	$62.79\pm 0.55$	$‐0.45\pm 0.48$	0.010
${\mathrm{D}}_{\text{max}}$ (Gy)	$71.96\pm 2.36$	$69.45\pm 1.73$	$2.51\pm 1.68$	0.005
HI	$0.12\pm 0.04$	$0.08\pm 0.03$	$0.05\pm 0.03$	0.002
CI	$0.59\pm 0.11$	$0.69\pm 0.10$	$‐0.09\pm 0.07$	0.003
MU	$1198.91\pm 343.93$	$1216.90\pm 332.37$	$‐18\pm 76.87$	0.328