Table 4.

Summary of planning study OAR analysis.

		RA		IMRT
		Average	Std Dev	Average	Std Dev	Significance
Rectum	${\mathrm{V}}_{3\%}$	68.7	2.4	68.8	2.3	NS
	${\mathrm{V}}_{15\%}$	59.1	3.0	60.3	2.8	NS
	${\mathrm{V}}_{30\%}$	47.2	5.4	52.8	4.4	$\text{IMRT}>\text{RA}$
	${\mathrm{V}}_{50\%}$	32.2	5.2	38.1	4.3	$\text{IMRT}>\text{RA}$
	${\mathrm{V}}_{60\%}$	27.5	4.7	32.3	4.3	$\text{IMRT}>\text{RA}$
	${\mathrm{V}}_{70\%}$	23.6	4.3	29.4	6.0	$\text{IMRT}>\text{RA}$
	${\mathrm{V}}_{80\%}$	19.8	3.8	24.0	3.4	$\text{IMRT}>\text{RA}$
	${\mathrm{D}}_{\text{max}}$	73.9	0.9	72.7	0.8	$\text{IMRT}<\text{RA}$
	${\mathrm{D}}_{\text{mean}}$	36.2	3.8	39.7	3.1	$\text{IMRT}>\text{RA}$
	EUD	40.6	3.1	43.7	2.7	$\text{IMRT}>\text{RA}$
Bladder	${\mathrm{V}}_{5\%}$	65.9	9.1	68.2	5.2	NS
	EUD	53.1	2.0	53.9	2.0	$\text{IMRT}>\text{RA}$
	${\mathrm{V}}_{50\%}$	18.7	11.8	22.1	14.1	NS
	${\mathrm{D}}_{\text{max}}$	75.3	0.7	74.8	0.8	NS
	${\mathrm{D}}_{\text{mean}}$	25.7	10.0	27.5	10.8	NS
	EUD	52.8	4.6	54.0	4.6	NS
Femoral head	${\mathrm{V}}_{50\%}$	18.1	6.3	23.9	9.9	$\text{IMRT}>\text{RA}$
	EUD	32.6	8.9	35.3	8.9	NS
	${\mathrm{D}}_{\text{mean}}$	18.3	4.0	22.2	6.2	$\text{IMRT}>\text{RA}$

NS = not significant