Table 4.

Interobserver agreement for each CT image finding.

	κ value	95% CI	Agreement
Shape	0.94	0.87–	excellent
Demarcation	0.80	0.70–0.90	excellent
Arterial enhancement pattern	0.92	0.86–0.98	excellent
Washout	0.96	0.90–	excellent
Bile duct dilatation	1	1	perfect
Tortuous tumoral vessels	0.96	0.90–1.00	excellent

κ value, Cohen’s Kappa coefficient; 95% CI, 95% confidence interval.