Table III.

Plan parameter comparisons for AUTO RB and REF plans.

		REF		AUTO RB		AUTO RB ‐ REF
		Mean	(min, max)	Mean	(min, max)	$\mathrm{\Delta }$	(min, max)	P
PTV	${\mathrm{D}}_{98\text{\%}}$	34.7	(29.3, 36.8)	35.1	(33.2, 36.3)	0.4	(−1.1, 3.8)	0.02
	${\mathrm{D}}_{0.03\text{cc}}$	60.2	(56.0, 61.8)	59.1	(54.7, 61.8)	−1.1	(−3.4, 1.9)	<0.001
Urethra	${\mathrm{D}}_{5\text{\%}}$	40.5	(38.8, 41.5)	40.3	(38.1, 42.0)	−0.2	(−1.5, 1.3)	0.1
	${\mathrm{D}}_{10\text{\%}}$	40.0	(38.4, 41.1)	39.8	(37.8, 41.5)	−0.2	(−1.2, 1.0)	0.03
	${\mathrm{D}}_{50\text{\%}}$	38.6	(35.1, 39.9)	38.1	(35.1, 40.0)	−0.6	(−1.4, 0.6)	<0.001
Rectum	${\mathrm{V}}_{32.3\text{Gy}}$	0.5	(0.0, 1.0)	0.4	(0.0, 1.1)	−0.0	(−0.5, 0.7)	0.3
	${\mathrm{D}}_{0.03\text{cc}}$	35.5	(32.8, 37.0)	36.4	(28.8, 38.0)	0.8	(−6.3, 4.9)	0.004
	${\mathrm{D}}_{\text{mean}}$	7.2	(4.7, 9.5)	6.8	(4.4, 10.0)	−0.4	(−3.3, 2.5)	0.03
Mucosa	${\mathrm{D}}_{0.03\text{cc}}$	24.8	(20.7, 27.2)	24.0	(12.8, 28.5)	−0.8	(−11.2, 7.8)	0.3
Bladder	${\mathrm{V}}_{38\text{Gy}}$	0.3	(0.0, 0.9)	0.4	(0.1, 0.9)	0.1	(−0.2, 0.3)	<0.001
	${\mathrm{D}}_{0.03\text{cc}}$	39.4	(37.8, 40.6)	40.1	(38.5, 41.4)	0.7	(−1.6, 2.2)	<0.001
	${\mathrm{D}}_{\text{mean}}$	9.1	(6.8, 12.9)	8.2	(5.0, 12.1)	−0.9	(−2.7, 2.8)	<0.001
Entrance	${\mathrm{D}}_{1\text{cc}}$	17.3	(14.2, 19.9)	17.2	(12.9, 21.4)	−0.0	(−4.4, 3.4)	0.9
Left FH	${\mathrm{D}}_{0.03\text{cc}}$	13.2	(7.4, 17.6)	15.4	(11.3, 19.4)	2.2	(−1.7, 5.7)	<0.001
Right FH	${\mathrm{D}}_{0.03\text{cc}}$	15.1	(9.7, 18.6)	15.6	(11.5, 19.9)	0.5	(−3.3, 4.2)	0.2
Conformality		0.82	(0.75, 0.88)	0.78	(0.72, 0.84)	−0.04	(−0.07, −0.01)	<0.001
Beams		48.3	(37.0, 59.0)	38.0	(29.0, 49.0)	−10.4	(−23.0, −2.0)	<0.001
Segments		98.9	(54.0, 167.0)	61.5	(40.0, 105.0)	−37.5	(−118.0, 37.0)	<0.001
MU/fx [×1000]		6.1	(4.9, 8.9)	6.2	(4.7, 7.4)	0.1	(−2.5, 1.8)	0.2
ETT [min]		22.3	(17.0, 32.0)	18.6	(15.0, 24.3)	−3.7	(−11.7, 4.0)	<0.001

Doses (Dxx) presented in Gy and volumes (Vxx) in cc. Entrance dose was evaluated using ${\mathrm{D}}_{1\text{cc}}$ of a ring structure of 3 cm thickness inside the patient's external contour. FH: Femoral head, MU/fx: Monitor Units per fraction, ETT: Estimated treatment time.

Bold indicates statistically significant P‐value