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Table 3 Mean dose comparisons of the organs at risk- WIG、NIG、3 + WIG vs DIG

From: Setup uncertainties and the optimal imaging schedule in the prone position whole breast radiotherapy

  DIG WIG Change p NIG Change p 3 + WIG Change p
V5-Lung(%) (20 patients) 0.45± 0.68± 51.1% < 0.05 0.77± 71.1% < 0.05 0.46± 2.2% NS
1.13 1.28 1.34 1.06
Heart-mean (cGy) (11 left breasts) 85.71± 117.11± 36.6% NS 123.46± 44.0% NS 88.52± 3.3% NS
44.1 84.35 91.64 47.18
LAD-mean (cGy) (11 left breasts) 488.13± 651.21± 33.4% NS 711.98± 45.9% NS 515.03± 5.5% NS
478.78 668.78 739.84 505.05
LAD-max (cGy) (11 left breasts) 1437.52± 1665.75± 15.9% < 0.05 1717.79± 19.5% < 0.05 1352.44± −5.9% NS
1290.6 1328.4 1339.1 1173.77
  1. Abbreviations: NS-not significant. Paired t test, significant at p < 0.05