. 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 2.

Comparison of plans to whole breast tangential irradiation with free-breathing (WBRT-FB).

	WBRT - FB	WBRT - DIBH		APBI 3DCRT - FB		APBI 3DCRT - DIBH		APBI IMRT - DIBH

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

PTV
Maximum	45.5	47.9	0.0559	44.6	0.1429	44.9	0.2887	41.5^*	<0.0001
Mean	39.1	41.2^*	0.0131	40.6^*	0.0128	40.9^*	0.0041	39.1	0.9558
%Vol>95%d	90.7	97.3	0.0592	99.6^*	0.0126	99.1^*	0.0244	99.1^*	0.0221

Heart
Maximum	36.5	31.5	0.1278	8.2^*	<0.0001	4.8^*	<0.0001	3.8^*	<0.0001
Mean	1.4	1.0	0.3125	0.5^*	0.0208	0.4^*	0.0083	0.5^*	0.0277

LAD
Maximum	29.8	15.8^*	0.0252	6.1^*	0.0004	2.2^*	<0.0001	1.8^*	<0.0001
Mean	11.5	4.2^*	0.0198	1.9^*	0.0032	0.7^*	0.0020	0.8^*	0.0023

Left lung
Maximum	39.5	41.9	0.0583	38.1	0.0783	35.5^*	0.0054	35.4^*	0.0017
Mean	4.2	4.9	0.2055	2.9	0.0972	1.7^*	0.0053	1.8^*	0.0053
V20	10.2	11.2	0.4911	4.1^*	0.0060	1.7^*	0.0007	1.4^*	0.0003
V10	13.0	14.7	0.3055	9.2	0.1390	4.6^*	0.0038	4.0^*	0.0010
V5	16.1	18.7	0.1293	14.9	0.6924	8.5^*	0.0215	8.2^*	0.0124

Left Breast minus PTV
Maximum	45.6	47.9	0.0702	44.5^*	0.0264	44.8^*	0.0327	41.4^*	<0.0001
Mean	39.6	40.8	0.1163	18.3^*	<0.0001	17.0^*	<0.0001	14.8^*	<0.0001
%Vol@50%d	99.6	87.7	0.3095	42.7^*	<0.0001	39.4^*	<0.0001	37.2^*	<0.0001

Right Breast
Maximum	6.3	6.8	0.1666	3.2	0.8759	2.9	0.1480	1.8	0.1804
Mean	0.1	0.1	0.8117	0.1	0.5409	0.1	0.4173	0.1	0.8576

Denotes p-value <0.05.