Table 2. Kappa coefficients of interobserver agreement.

Pos/Neg	AI vs TK	AI vs RI	AI vs AC	TK vs RI	TK vs AC	RI vs AC
Transaxial	0.94	0.94	0.94	1	1	1
Coronal	1	0.94	0.94	1	0.94	1
Sagittal	1	0.94	0.94	0.94	0.94	0.88
Multiplanar	1	0.94	0.94	0.94	0.94	1

(The highest values among four interpretations are presented in BOLD and the lowest in ITALICS)