Table 2.

The mean doses for the heart, lungs, and contralateral breast for the indicated groups and techniques. The p-values presented refer to the comparison of 3DCRT and the given technique.

	Group	3DCRT	3DCRT-IMRT		3DCRT-VMAT		VMAT
		Mdn (IQR)	Mdn (IQR)	p-val.	Mdn (IQR)	p-val.	Mdn (IQR)	p-val.
Heart, Gy	1	1.0 (0.9–1.3)	1.0 (0.9–1.2)	0.01	1.3 (1.1–1.5)	<0.01	1.4 (1.3–2.3)	<0.01
	2	2.5 (1.6–2.6)	2.2 (1.5–2.4)	<0.01	2.6 (2.0–2.8)	<0.01	2.6 (2.3–3.0)	0.09
	3	2.5 (1.6–2.8)	2.4 (1.7–2.5)	<0.01	2.8 (2.2–2.9)	<0.01	2.9 (2.7–3.1)	0.01
	4	0.3 (0.2–0.3)	0.3 (0.2–0.3)	<0.01	0.6 (0.5–0.8)	<0.01	0.8 (0.7–0.9)	<0.01
Lungs, Gy	1	2.3 (2.1–2.4)	2.0 (1.7–2.2)	<0.01	2.6 (2.3–2.8)	<0.01	3.0 (2.7–3.5)	<0.01
	2	2.4 (2.0–2.7)	2.2 (1.8–2.5)	<0.01	2.6 (2.2–2.9)	0.03	2.7 (2.2–3.3)	0.03
	3	2.4 (1.9–2.7)	2.3 (1.8–2.4)	<0.01	2.5 (2.1–2.9)	<0.01	2.8 (2.2–3.1)	<0.01
	4	3.1 (2.5–3.3)	2.6 (2.3–2.9)	<0.01	3.5 (3.4–3.6)	<0.01	3.8 (3.3–4.0)	<0.01
CB, Gy	1	0.1 (0.0–0.2)	0.1 (0.0–0.1)	0.01	0.5 (0.4–0.6)	<0.01	0.7 (0.6–1.2)	<0.01
	2	0.1 (0.0–0.1)	0.1 (0.0–0.1)	<0.01	0.6 (0.3–0.6)	<0.01	1.3 (0.9–1.5)	<0.01
	3	0.1 (0.0–0.2)	0.1 (0.0–0.1)	<0.01	0.7 (0.3–0.8)	<0.01	1.7 (1.0–1.9)	<0.01
	4	0.1 (0.0–0.2)	0.1 (0.0–0.1)	0.02	0.5 (0.3–0.7)	<0.01	0.9 (0.6–1.0)	<0.01

Abbreviations: Mdn = median. IQR = interquartile range. CB = contralateral breast.