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Table 3 Comparison of small bowel dose-volume in patients with grade < 2 to grade ≥2 acute lower GI toxicity

From: Is the irradiated small bowel volume still a predictor for acute lower gastrointestinal toxicity during preoperative concurrent chemo-radiotherapy for rectal cancer when using intensity-modulated radiation therapy?

Dose level

Small bowel volume(mean ± SD, cm3)

(Gy)

Grade 0–1

Grade ≥2

P value

5

268 ± 173

217 ± 107

0.156

10

230 ± 154

189 ± 99

0.196

15

203 ± 138

169 ± 95

0.242

20

174 ± 124

143 ± 86

0.247

25

127 ± 105

103 ± 68

0.272

30

75 ± 78

60 ± 49

0.367

35

47 ± 63

37 ± 37

0.445

40

30 ± 49

23 ± 24

0.429

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Radiation Oncology

ISSN: 1748-717X

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