Skip to main content
. 2019 Sep 4;20(9):31–41. doi: 10.1002/acm2.12688

Table 2.

Comparison of organs at risks dose for single fixed‐jaw intensity modulated radiotherapy (sF‐IMRT), F‐IMRT, and tangential partial volumetric modulated arc therapy (tP‐VMAT).

  sF‐IMRT F‐IMRT tP‐VMAT P‐values
sF‐IMRT vs tP‐VMAT F‐IMRT vs tP‐VMAT sF‐IMRT vs F‐IMRT
Left lung
Dmean (cGy) 748.50 (122.54) 676.70 (112.26) 785.52 (37.94) 0.358 0.006 0.110
V30Gy (%) 9.85 (2.86) 8.76 (2.06) 8.18 (1.05) 0.094 0.415 0.196
V20Gy (%) 14.25 (2.81) 12.35 (2.47) 14.23 (1.50) 0.978 0.043 0.077
V5Gy (%) 29.54 (4.69) 25.90 (4.58) 34.23 (1.54) 0.008 0.000 0.050
Right lung
Dmean (cGy) 829.13 (115.31) 773.82 (93.73) 876.19 (75.43) 0.273 0.011 0.095
V30Gy (%) 11.85 (2.92) 9.84(2.29) 8.99 (1.62) 0.012 0.327 0.068
V20Gy (%) 16.80 (2.53) 14.89(2.23) 16.02 (2.13) 0.446 0.236 0.045
V5Gy (%) 31.63 (5.66) 30.41(3.92) 39.53 (4.34) 0.002 0.000 0.398
Heart
Dmean (cGy) 505.68 (164.10) 479.35 (125.54) 580.59 (87.12) 0.201 0.040 0.634
V30Gy (%) 4.59 (2.47) 4.38 (2.20) 2.02 (1.10) 0.007 0.005 0.767
Coronary
Dmean (cGy) 2024.85 (576.93) 1980.44 (519.10) 1883.26 (335.65) 0.492 0.608 0.792
V40Gy (%) 15.12 (8.11) 12.30 (7.82) 0.87 (1.49) 0.000 0.000 0.393
Liver
Dmean (cGy) 357.85 (167.79) 307.88 (123.71) 439.71 (125.57) 0.211 0.022 0.391
V30Gy (%) 3.80 (2.70) 2.57 (1.67) 1.88 (1.25) 0.109 0.307 0.200