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Table 6 Irradiation dose to esophagus:a Dose per fractionation

From: Accelerated hypofractionated three-dimensional conformal radiation therapy (3 Gy/fraction) combined with concurrent chemotherapy for patients with unresectable stage III non-small cell lung cancer: preliminary results of an early terminated phase II trial

NO. 2 Gy 2.2 Gy 2.4 Gy 2.6 Gy 2.7 Gy 2.8 Gy 2.85 Gy 2.9 Gy 2.95 Gy 3 Gy
cm cm cm cm cm cm cm cm cm cm
1 0 0 0 0 0 0 0 0 0 0
2 3 2 0 0 0 0 0 0 0 0
3 8.5 8.5 8.5 7.5 7 6.5 5.5 5 2.5 2
4 0 0 0 0 0 0 0 0 0 0
5 14 14 13.5 13.5 13 12.5 12 10.5 8 4
6 5.5 4.5 4 1 0 0 0 0 0 0
7 2 0 0 0 0 0 0 0 0 0
8 6 5 1.5 0 0 0 0 0 0 0
9 5.5 5.5 4.5 4.5 4.5 4.5 3.5 3 3 2
10 8.5 8.5 8.5 8 7.5 7 6.5 5 0 0
11 7 7 6 6 6 6 6 6 6 6
12 12.5 12.5 12 11 11 11 11 11 7.5 5.5
p 0.018 0.006 0.005 0.002 0.001 0.001 0.000 0.001 0.006 0.009
r b 0.665 0.741 0.749 0.787 0.810 0.810 0.862 0.838 0.737 0.711
  1. aThe cell values demonstrate the whole circumferential length of esophagus receiving a dose greater than a certain dose per fractionation. For example, “2.7Gy = 13 cm” demonstrated that the whole circumferential length of esophagus received 2.7Gy per fraction or more was 13 cm
  2. br” refers to the correlation coefficient calculated by Spearman’s testing