Table 2.

The intra-observer variability in visual results by the two observers.

Reader 2	Reader 1			Total
	1	2	3
1	101	0	0	101
2	4	58	0	62
3	14	3	20	37
Total	119	61	20	200

Kappa value=0.821(1: higher ¹⁸F-FDG uptake in proximal part, 2: higher ¹⁸F-FDG uptake in distal part, 3: homogeneous ¹⁸F-FDG uptake).