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Table 3 Comparison of DVH parametyers of bowels between 3DCRT and IMRT

From: Intensity-modulated radiation therapy versus three-dimensional conformal radiation therapy with concurrent nedaplatin-based chemotherapy after radical hysterectomy for uterine cervical cancer: comparison of outcomes, complications, and dose-volume histogram parameters

  

3DCRT

IMRT

  

Mean (cc)

Median (cc)

SE

range

Mean (cc)

Median (cc)

SE

range

p

Small bowel loops

V15

428

402

33

92-1021

411

386

27

156-755

0.688

V30

362

325

28

58-793

289

253

22

136-660

0.018

V40

316

293

26

48-683

164

143

15

69-395

<0.001

V45

299

281

12

42-639

121

106

12

36-293

<0.001

 

V15

1324

1314

50

821-1904

1347

1349

71

727-2360

0.972

 

V30

1100

1112

41

615-1546

945

920

43

515-1635

0.001

Bowel bag

V40

944

968

36

505-1285

613

623

26

308-970

<0.001

 

V45

891

917

35

459-1207

489

496

22

233-803

<0.001

Large bowel loop

V15

310

292

18

105-569

316

297

29

101-834

0.856

V30

229

202

18

75-461

181

165

14

42-431

0.058

V40

175

152

16

57-431

105

102

8

26-200

0.001

V45

163

140

15

18-415

77

71

6

18-158

<0.001

  1. DVH dose-volume histogram, 3DCRT three-dimensional conformal radiation therapy, IMRT intensity- modulated radiation therapy, SE standard error, V15-V45 volume receiving more than respective dose
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Radiation Oncology

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