. Author manuscript; available in PMC: 2018 Apr 3.

Published in final edited form as: Int J Radiat Oncol Biol Phys. 2016 Dec 21;98(4):900–907. doi: 10.1016/j.ijrobp.2016.12.022

Table 4.

Cardiac Events After SABR by Age

	Patient Age
Cardiac Events	<75 years	≥75 years	P Value
No. of events	16	8	0.896
Prior CVD	81% (13/16)	75% (6/8)
Heart dose-volume metrics, mean (range)
D_max, Gy	15.5 (0.26–49.56)	36.2 (2.1–69.9)
D_mean, Gy	1.54 (0.05–6.57)	4.9 (0.56–9.3)
V20, %	0.66 (0-9)	2.6 (0-12)
V40, %	0.0	0.12 (0-1)
Tumor ≥2 cm from pericardium	87.5% (14/16)	75% (6/8)
Left-sided tumor	31.2% (5/16)	37.5% (3/8)

Abbreviations: CVD, cardiovascular disease