Table 2.

A dosimetric comparison for target and organs at risk.

Organ	Parameter	GBPO	IPSA	P value	Graphic	P value
HR-CTV	D100%	3.57 ± 0.36	3.54 ± 0.34	0.50	3.38 ± 0.34	0.00
	D90%	6.00 ± 0.00	6.00 ± 0.00	–	6.00 ± 0.00	–
	V150%	55.73 ± 4.06	56.43 ± 4.21	0.06	57.75 ± 3.79	0.00
Bladder	D0.1cc	6.08 ± 0.64	6.05 ± 0.75	0.60	6.15 ± 0.70	0.17
	D1cc	5.12 ± 0.53	5.11 ± 0.57	0.91	5.14 ± 0.56	0.18
	D2cc	4.74 ± 0.49	4.73 ± 0.53	0.29	4.76 ± 0.52	0.07
Rectum	D0.1cc	5.69 ± 0.90	5.76 ± 0.86	0.22	5.74 ± 0.87	0.33
	D1cc	4.63 ± 0.60	4.68 ± 0.60	0.21	4.70 ± 0.64	0.15
	D2cc	4.17 ± 0.57	4.20 ± 0.54	0.52	4.22 ± 0.61	0.16
Sigmoid	D0.1cc	2.77 ± 1.41	2.80 ± 1.34	0.51	2.69 ± 1.32	0.20
	D1cc	2.22 ± 1.21	2.25 ± 1.14	0.34	2.18 ± 1.10	0.50
	D2cc	2.00 ± 1.12	2.02 ± 1.04	0.51	1.96 ± 1.00	0.39

The dose unit is Gy, and the volume is a percentage volume. The data are listed as (mean ± standard deviation).