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Table 3 DiceSimilarity Index (DSI) values for Elective and Boost CTV for Case 1 and Case 2

From: Inter-observer variability of clinical target volume delineation in radiotherapy treatment of pancreatic cancer: a multi-institutional contouring experience

Centre

Elective CTV

Boost CTV

Case 1

Case 2

Case 1

Case 2

1

0.66

0.68

0.63

0.52

2

0.74

0.6

0.25

0.39

3

0.73

0.79

0.65

0.67

4

0.74

*0.57

0.25

0.56

5

0.70

0.71

0.17

0.51

6

0.74

0.73

0.30

0.61

7

0.75

0.74

0.44

0.76

8

0.76

0.78

0.49

0.53

9

0.74

0.78

0.51

0.63

10

0.69

0.74

0.47

0.61

11

0.63

*0.35

0.41

0.49

12

*0.19

0.62

0.42

0.54

13

0.64

0.68

ND

0.31

14

RC

RC

RC

RC

15

0.65

0.75

0.47

0.68

16

0.79

0.75

0.54

0.63

17

0.70

0.76

ND

ND

18

0.66

0.73

0.54

0.7

mDSI

0.68

0.68

0.44

0.52

range

(0.19 - 0.79)

(0.35 - 0.79)

(0.17 - 0.65)

(0.31 - 0.76)

  1. mDSI: mean DSI; RC: reference centre; ND: not delineated; centers significantly diverged from the reference (asterisk).
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Radiation Oncology

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