Table 4.

Comparison of the five criteria for plan quality evaluation between the treated and retrospective study plans.

Evaluation parameters		Treated Plans	Retrospective Study Plans	Difference (%)
mGI	Group Large	4.2 ± 0.3	3.1 ± 0.1	−26.0 ± 5.1
	Group Small	5.2 ± 0.4	3.9 ± 0.2	−24.5 ± 2.9
V12	Group Large	15.8 ± 3.9	9.5 ± 1.9	−39.9 ± 5.9
	Group Small	4.0 ± 0.5	2.6 ± 0.4	−35.0 ± 3.8
PCI	Group Large	0.83 ± 0.03	0.89 ± 0.01	7.2 ± 4.4
	Group Small	0.79 ± 0.02	0.88 ± 0.02	11.4 ± 4.2
HI	Group Large	1.08 ± 0.01	1.34 ± 0.01	23.4 ± 1.7
	Group Small	1.09 ± 0.01	1.34 ± 0.01	22.2 ± 1.3
FI	Group Large	1.07 ± 0.01	1.57 ± 0.04	47.1 ± 4.0
	Group Small	1.07 ± 0.01	1.60 ± 0.03	49.4 ± 3.1

PCI, Paddick conformity index.