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Table 1 Comparison of PV and OAR doses between O-VMAT and F-VMAT

From: A comparative study of identical VMAT about two adjacent targets with and without fixed-jaw technique

Regions of interest O-VMAT F-VMAT p Values
PTV
 CI 0.831 ± 0.093 0.830 ± 0.090 0.833
 HI 1.055 ± 0.014 1.050 ± 0.011 0.157
Spinal cord
 Dmax (cGy) 3625.19 ± 376.55 3575.04 ± 343.55 0.208
Spinal cord PRV
 Dmax (cGy) 4148.33 ± 280.23 4124.20 ± 289.31 0.263
Intestine
 V20 (%) 29.68 ± 12.49 30.15 ± 11.89 0.624
 V30 (%) 16.68 ± 11.66 16.07 ± 11.65 0.161
 V40 (%) 9.44 ± 9.10 9.72 ± 9.41 0.123
interOARa
 Dmean (cGy) 654.96 ± 113.38 490.84 ± 80.26 0.018
 V3 (%) 70.11 ± 17.86 40.17 ± 12.91 0.018
 V5 (%) 37.40 ± 12.86 26.71 ± 7.03 0.018
 V10 (%) 17.47 ± 4.56 13.25 ± 2.26 0.018
MUs 766.40 ± 97.46 1133.21 ± 162.11 0.012
  1. a: except for the first case because it was an outlier in the box plot