Table 1.

The calculation result of the new and conventional indices for nine IMRT/VMAT plans

	Achievement						Hotness		Coldness
Plan No.	IOA	HI1 a (%)	HI2 a	HI3 a	STD a (cGy)	${\mathrm{V}}_{95}‐{\mathrm{V}}_{110}$ a (%)	IOH	${\mathrm{V}}_{110}$ a (%)	IOC	$100‐{\mathrm{V}}_{95}$ a (%)
1	1.068	15.0	1.159	1.084	213.4	91.4	1.065	7.1	0.980	1.5
2	1.070	16.9	1.185	1.123	229.7	88.9	1.069	10.5	0.990	0.5
3	1.077	17.2	1.260	1.114	236.4	90.0	1.077	9.5	0.990	0.5
4	1.086	18.0	1.179	1.126	266.3	86.6	1.083	12.5	0.977	0.9
5	1.090	18.3	1.202	1.134	247.7	85.4	1.090	14.1	0.989	0.5
6	1.092	17.7	1.187	1.128	255.5	85.2	1.091	14.2	0.988	0.6
7	1.057	15.2	1.155	1.074	189.0	94.3	1.053	3.9	0.980	1.8
8	1.076	17.5	1.202	1.131	242.7	86.0	1.075	13.4	0.988	0.6
9	1.071	16.2	1.253	1.099	212.1	90.5	1.069	8.8	0.987	0.7
Rank Criterion	C	L	C	C	L	H	C	L	C	L

^aMean value for all three PTVs.

$\mathrm{C}=\text{closer to one is better}$; $\mathrm{L}=\text{lower is better}$; $\mathrm{H}=\text{higher is better}$.