Table 4.

The agreement (κ statistics) between features of thyroid nodules evaluated in multiplanar reformation mode and by thin-slice rendering with surface algorithm.

	OBSERVER 1		OBSERVER 2
	κ	p	κ	p
Echogenicity	0.85	< 0.0001	0.91	< 0.0001
Borders	0.80	< 0.0001	0.93	< 0.0001
CAL	0.56	< 0.0001	0.73	< 0.0001

calcification/microcalcification-like echogenic foci (CAL).