Table 4.

Group A outer lesions location: DEV and OAR doses achieved with each technique. The average ± 1 standard deviation was over 8 patients (p‐value > 0.05 was not considered significant).

Parameter (Objective)	3D CRT	CG‐Darc	RapidArc	p‐value CG‐Darc vs. 3D CRT	p‐value CG‐Darc vs. RapidArc	p‐value RapidArc vs. 3D CRT
DEV
HI (close to 0)	$0.08\pm 0.01$	$0.08\pm 0.01$	$0.09\pm 0.01$	−	−	−
IPCI (close to 1)	$0.42\pm 0.09$	$0.55\pm 0.13$	$0.63\pm 0.07$	0.002	0.02	$<0.001$
$\mathrm{V}95\%(>95\%)$	$99.2\pm 1.1$	$99.4\pm 0.42$	$98.2\pm 0.6$	−	0.001	−
Max. Dose, %	$105.2\pm 1.8$	$105.5\pm 1.2$	$107.5\pm 1.1$	−	0.01	0.004
Ipsilateral Breast
V50% ($<60\%$)	$45.1\pm 8.0$	$37.4\pm 7.2$	$36.4\pm 6.0$	0.003	−	$<0.001$
V95% ($<35\%$)	$24.1\pm 4.3$	$19.2\pm 4.2$	$16.2\pm 2.6$	$<0.001$	0.02	$<0.001$
V100% ($<35\%$)	$11.6\pm 3.9$	$7.8\pm 2.8$	$6.8\pm 1.4$	0.001	−	0.004
Mean dose, Gy	$17.6\pm 2.9$	$15.1\pm 2.7$	$14.4\pm 2.2$	0.001	−	$<0.001$
Ipsilateral Lung
V10% ($<20\%$)	$9.7\pm 6.0$	$6.1\pm 4.3$	$9.4\pm 5.3$	0.006	0.004	−
V30% ($<10\%$)	$4.4\pm 3.2$	$1.9\pm 1.7$	$2.5\pm 1.8$	0.007	−	−
V20Gy ($<3\%$)	$2.3\pm 2.0$	$1.0\pm 1.0$	$0.8\pm 0.7$	−	−	0.04
Mean Dose, Gy	$2.0\pm 1.1$	$1.3\pm 0.7$	$1.6\pm 0.7$	0.006	0.002	−
Contralateral Breast
Max. Dose($<5\%$)	$3.8\pm 3.7$	$2.5\pm 1.0$	$4.0\pm 1.4$	−	0.008	−
Heart
V5%, %	$0.9\pm 1.4$	$0.8\pm 1.4$	$2.4\pm 3.0$	−	0.04	−
Skin
Mean Dose, Gy	$14.2\pm 0.7$	$12.1\pm 1.5$	$11.1\pm 0.9$	0.002	0.01	$<0.001$
D2%,Gy	$37.4\pm 1.2$	$37.3\pm 1.6$	$35.7\pm 0.8$	0.01	0.03	0.02