Table 2 Coefficient of variation (COV) among the 4 measurements (2 radiologists and 2 radiotherapists)

1

108.55

127.42

127.29

155.28

129.64

0.15

2

369.29

370.13

391.36

387.46

379.56

0.03

3

125.05

121.29

125.97

130.56

125.72

0.03

4

13.03

11.22

13.87

12.09

12.55

0.09

5

52.13

33.13

35.87

27.78

37.23

0.28

6

68.45

78.81

72.54

65.36

71.29

0.08

7

83.56

65.31

72.36

64.18

71.35

0.12

8

35.90

27.40

46.20

27.02

34.13

0.26

9

77.58

49.27

67.62

41.39

58.97

0.28

10

135.91

109.46

81.64

547.91

218.73

1.01

11

65.30

65.82

83.64

116.94

82.93

0.29

12

186.47

199.94

178.92

317.77

220.78

0.30

13

453.51

496.39

382.78

466.78

449.87

0.11

14

33.94

32.31

28.72

28.98

30.99

0.08

15

195.41

215.96

157.15

172.20

185.18

0.14

16

71.31

62.83

64.20

67.13

66.37

0.06

17

53.26

52.13

52.19

51.76

52.34

0.01

18

516.85

475.67

450.26

480.44

480.81

0.06

19

266.67

302.54

303.24

308.28

295.18

0.06

20

95.41

94.10

50.23

46.40

71.54

0.38

21

121.23

83.49

59.19

56.56

80.12

0.37

22

73.29

53.71

43.71

47.11

54.46

0.24

23

37.24

39.65

34.97

25.58

34.36

0.18