TABLE 2

Comparison of Functional Parameters of Left Ventricle Between Control and Irradiation Groups

Time after irradiation
ParameterBefore irradiation3 mo6 mo12 mo
Left ventricular ejection fraction (%)
 Control group59.6 ± 5.258.9 ± 3.059.3 ± 4.157.4 ± 3.3
 Irradiation group58.9 ± 5.656.4 ± 4.050.0 ± 8.147.2 ± 6.7
 P0.8080.2270.0160.002
End-diastolic volume (mL)
 Control group23.4 ± 2.823.4 ± 2.224.3 ± 2.322.8 ± 3.2
 Irradiation group23.6 ± 2.623.9 ± 4.223.3 ± 3.626.5 ± 2.5
 P0.9230.8160.9520.014
End-systolic volume (mL)
 Control group11.1 ± 2.111.2 ± 1.510.3 ± 1.710.4 ± 2.1
 Irradiation group10.4 ± 2.010.6 ± 4.713.4 ± 2.214.1 ± 2.0
 P0.4900.4910.010.001