. 2022 Nov 8;47(3):250–255. doi: 10.4103/jmp.jmp_138_21

Table 4.

Average dose of the rectum for 15 new prostate cancer volumetric modulated arc therapy plans in each dose constraint and planning model

Organ	Dose constraints	Model	Mean (%)±SD	P
Rectum	V₇₅ <15%	MP	11.7±3.1	Reference
		RP20	11.4±2.6	0.300
		RP60	10.6±2.5	0.002
		RP120	10.5±2.4	0.002
		RP120A	12.7±2.9	0.003
	V₇₀ <20%	MP	15.6±3.9	Reference
		RP20	15.1±3.2	0.320
		RP60	14.0±3.2	0.001
		RP120	14.1±3.2	0.001
		RP120A	17.3±4.0	<0.001
	V₆₀ <30%	MP	22.4±5.2	Reference
		RP20	22.0±4.4	0.610
		RP60	20.3±4.4	0.008
		RP120	20.4±4.8	0.009
		RP120A	25.5±5.7	<0.001
	V₅₀ <40%	MP	29.9±6.8	Reference
		RP20	29.4±5.4	0.700
		RP60	26.6±5.3	0.007
		RP120	27.1±5.5	0.010
		RP120A	35.3±8.1	<0.001
	V₄₀ <50%	MP	39.0±7.9	Reference
		RP20	38.7±6.7	0.890
		RP60	34.2±5.8	0.007
		RP120	35.0±6.0	0.010
		RP120A	47.0±10.2	<0.001

SD: Standard deviation, MP: Manually optimized plans, RP: RapidPlan