¹⁸F-Fluorodeoxyglucose Positron Emission Tomography/Computed Tomography Accuracy in the Staging of Non-Small Cell Lung Cancer: Review and Cost-Effectiveness

Table 2

Concordance between the three diagnostic techniques and TNM staging (; 40 surgical patients and 23 with metastases).

	CT	PET	PET/CT	HP; gold standard
IA	9	5	8	9
IB	17	11	8	11
IIA	0	2	1	0
IIB	7	3	8	6
IIIA	7	16	13	12
IIIB	2	5	2	2
IV	21	21	23	23
Kappa	0.694	0.614	0.836
Stratified kappa	0.065	0.069	0.053

HP: histopathology.