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. Author manuscript; available in PMC: 2011 Oct 31.

Published in final edited form as: Int J Radiat Oncol Biol Phys. 2009 Jun 18;75(1):294–301. doi: 10.1016/j.ijrobp.2009.03.043

Table 4.

Comparison of plans to APBI-3DCRT-FB to evaluate the impact of patient geometry for all PBI techniques.

	APBI3DCRT with FB	APBI3DCRT with DIBH		APBI IMRT with DIBH

N = 10	Dose (Gy)	Dose (Gy)	P-value	Dose (Gy)	P-value

PTV
Maximum	44.6	44.9	0.2437	41.5^*	0.0008
Mean	40.6	40.9	0.0414	39.1^*	<0.0001
%Vol>95%d	99.6	99.1	0.4734	99.2	0.4072

Heart
Maximum	8.2	4.8	0.0183	3.8	0.0523
Mean	0.5	0.4^*	0.0024	0.5	0.6827

LAD
Maximum	6.1	2.2	0.1392	1.8	0.1505
Mean	1.9	0.7	0.1243	0.8	0.1610

Left lung
Maximum	38.1	35.5^*	0.0135	35.4^*	0.0023
Mean	2.9	1.7^*	0.0001	1.8^*	0.0010
V20	4.1	1.7^*	<0.0001	1.4^*	0.0002
V10	9.2	4.6^*	0.0004	4.0^*	0.0003
V5	14.9	8.5^*	0.0007	8.2^*	0.0008

Left Breast minus PTV
Maximum	44.5	44.8	0.3675	41.4^*	0.0008
Mean	18.3	17.0^*	0.0112	14.8^*	0.0002
%Vol@50%d	42.7	39.4^*	0.0446	37.2^*	0.0147

Right Breast
Maximum	3.2	2.9	0.1211	1.8	0.2444
Mean	0.1	0.1	0.2114	0.1	0.0784

^*

Denotes p-value <0.05.