Table 1.

Patient characteristics

Age at radiotherapy	67.1 ± 9.0
Sex
Male	29
Female	5
Smoking
+	25
–	9
Hypertension
+	14
–	20
Diabetes
+	5
–	29
Hyperlipidemia
+	6
–	28
Cardiac disease
+	3
–	31
Chemotherapy
+	30
–	4
Brain natriuretic peptide (pg/ml)	85.59 ± 83.06
Electrocardiogram change
+	15
–	17
Left ventricular ejection fraction (%)	65.82 ± 5.81
Early peak flow velocity to atrial peak flow velocity	0.72 ± 0.25

Continuous variables are presented as mean values ± SD.