Table 2.

Inter-reader agreement for imaging findings

Characteristics	κ (95% CI)
Arterial phase
Non-rim APHE	0.775 (0.721–0.833)
Rim APHE	0.793 (0.714–0.867)
Portal venous or late phase
No washout	0.838 (0.732–0.965)
Early washout (< 60 s)	0.786 (0.717–0.853)
Late-onset washout (≥ 60 s)	0.753 (0.705–0.786)
Late and mild washout (≥ 60 s)	0.794 (0.718–0.861)
Marked washout (< 2 min)	0.814 (0.727–0.896)
Kupffer phase
Presence of Kupffer defect	0.876 (0.758–0.974)

APHE arterial phase hyperenhancement