Dosimetric Parameter SIB SB P Value
Minimum Dose (Gy) 25.71 23.81 0.29
Maximum Dose (Gy) 45.48 49.87 <0.01
Mean Dose (Gy) 37.77 36.63 0.36
V95 (%) 98.22 96.87 <0.01
V100 (%) 95.87 92.05 0.02
V110 (%) 18.97 35.12 <0.01
Conformity Index 0.95 0.92 0.02
Homogeneity Index 0.12 0.18 0.02
(PTV1-PTV2)  V45Gy (%) 13.09 21.71 <0.01
Table 2a: Comparison of Whole breast volume coverage parameter (Mean) for SIB boost and Sequential boost methods of intact breast cancer patients (Prescribed Dose 40 Gy).