Table 3. Quality evaluation of plan solutions to achieve the dose prescription distribution based on DPBN and DPBC, and the robust solution (HYBRID DP).

	0.97<Q<1.03	0.96<Q<1.04	0.95<Q<1.05	QF	BTV1 (CI)	BTV2 (CI)	BTV3 (CI)
DPBN	88.4%	93.0%	97.0%	1.6%	-	-	-
DPBC	-	-	-	-	98.2%	96.0%	99.5%
HYBRID DP	84.1%	91.6%	94.7%	1.8%	95.7%	96.0%	88.0%

Percentage of voxels in BTs with quality index (Q) within 3%, 4% and 5% around 1, the quality factor (QF) and the conformity index (CI) are included.