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Radiology Research and Practice
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Radiology Research and Practice
/
2014
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Article
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Tab 3
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Clinical Study
18
F-Fluorodeoxyglucose Positron Emission Tomography/Computed Tomography Accuracy in the Staging of Non-Small Cell Lung Cancer: Review and Cost-Effectiveness
Table 3
Concordance between the three diagnostic techniques and histology.
CT
PET
PET/CT
HP
gold standard
Total
biopsies
Size
T0
1
5
6
12
103
T1
21
15
16
12
T2
39
37
41
39
T3
29
32
26
26
T4
13
14
14
14
Kappa
0.726
0.596
0.882
Stratified kappa
0.051
0.061
0.037
Nodes
N0
59
39
43
24
40
N1
8
19
16
4
N2
23
28
24
10
N3
13
17
20
2
N
63
Kappa (
)
0.332
0.566
0.756
40
Stratified kappa
0.121
0.105
0.092
Metastases
M0
81
78
78
80
25
M1
22
25
25
23
Kappa
0.8915
0.783
0.910
Stratified kappa
0.048
0073
0.053
HP: histopathology.