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

From: Conformal radiotherapy for lung cancer: interobservers' variability in the definition of gross tumor volume between radiologists and radiotherapists

Patient Radiotherapist 1 Radiotherapist 2 Radiologist 1 Radiologist 2 Average COV
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