Multiples Fields in Fields (Study group) Mean ± SD PW (Control group) Mean ± SD PVolume 95% CI
Over 107 % in PTV 5.2 ± 1 8.4 ± 1.2 P<0.01 2.7-3.5
Over 20 Gy in ipsilateral lung 7.3 ± 0.35 7.5 ± 0.67 P= 0.134 -0.27-0.31
Over 2 Gy in contralateral breast 1.2 ± 0.2 2.3 ± 0.5 P<0.01 0.96 -1.2
Over 40 Gy in heart 0.97 ± 0.9 1.1 ± 0.7 P = 0.096 -0.6-0.45
Table 4: The percentage volumes of doses over 107% in PTV and the volumes over the constraint dose of OARs.