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Table 1 PTV dosimetric endpoints of TD-3DCRT, TD-IMRT and FIF techniques for AWBRT

From: Does TomoDirect 3DCRT represent a suitable option for post-operative whole breast irradiation? A hypothesis-generating pilot study

Endpoint Technique Value p
V 95% (%) TD-3DCRT 99.9 ± 0.1  
TD-IMRT 98.9 ± 1.2 p < 0.001
FIF 92.3 ± 2.1 p < 0.001
V 105% (%) TD-3DCRT 0.2 ± 0.3  
TD-IMRT 0.3 ± 0.3 NS
FIF 0.5 ± 0.5 NS
V 107% (%) TD-3DCRT 0.1 ± 0.2  
TD-IMRT 0.1 ± 0.1 NS
FIF 0.1 ± 0.5 p < 0.05
D 1% (%)* TD-3DCRT 3.2 ± 0.8  
TD-IMRT 3.4 ± 0.8 NS
FIF 4.6 ± 1.0 p < 0.01
HI TD-3DCRT 0.965 ± 0.006  
TD-IMRT 0.954 ± 0.011 p < 0.01
FIF 0.906 ± 0.012 p < 0.001
NC TD-3DCRT 0.618 ± 0.062  
TD-IMRT 0.620 ± 0.067 NS
  FIF 0.651 ± 0.072 p < 0.05
  1. Statistically significant differences between TD-3DCRT and the other techniques were considered significant for p < 0.05.
  2. *as percentage of Rx.
  3. Two-tailed p values from paired Wilcoxon test.
  4. Data presented as mean ± standard devation.