Table 2.

Dosimetric Characteristics

	All patients		Patients with pericardial events		Patients with ischemic events		Patients with arrhythmic events
No.	112		9		7		12
Heart
Mean	12.3	Gy	24.5	Gy	17.0	Gy	22.5	Gy
V5	36.5	%	59.9	%	52.4	%	55.9	%
V30	16.8	%	34.6	%	22.6	%	31.3	%
V60	3.9	%	20.9	%	2.9	%	16.7	%
Left ventricle
Mean	4.0	Gy	11.4	Gy	11.7	Gy	6.4	Gy
V5	18.4	%	42.0	%	44.1	%	27.8	%
V30	2.2	%	13.1	%	16.6	%	5.2	%
V60	0	%	0.4	%	0	%	0	%
Right atrium
Mean	11.6	Gy	37.8	Gy	17.5	Gy	31.8	Gy
V5	42.7	%	83.7	%	73.0	%	78.4	%
V30	13.5	%	60.9	%	22.1	%	45.0	%
V60	1.0	%	35.8	%	0	%	13.6	%
Left atrium
Mean	24.7	Gy	49.4	Gy	33.2	Gy	38.4	Gy
V5	77.9	%	99.9	%	90.3	%	95.8	%
V30	37.9	%	75.7	%	51.2	%	57.6	%
V60	10.9	%	49.2	%	10.6	%	31.9	%

Abbreviations: V5Gy, volume receiving ≥5 Gy; V30Gy, volume receiving ≥30 Gy; V60, volume receiving ≥60 Gy. Note: Data shown are medians.