Table 4

Tumour localisation at CT and N stage at PET-CT

PET-CT	N-final
PET-CT	N0–1	N2–3	Nx	Total
Central tumour^*
N0–1	10	3	1	14
N2–3	3	5	2	10

Peripheral–intermediate^†
N0–1	33	5	1	39
N2–3	6	12	1	19
Not applicable, no information on exact tumour lacalisation
N0–1	–	–	–
N2–3	1	1	–	2
Total				84

↵* κ=0.39, p=0.07, McNemar p=1.0.
↵† κ=0.54, p<0.001, McNemar p=1.0.
PET, positron emission tomography.