Table 5. Sensitivity and specificity of AFP according to concomitant albumin levels and NA therapy.

Group	1	2	3	4
	NA (-) Albumin ≥ 3.7	NA (+) Albumin ≥ 3.7	NA (-) Albumin < 3.7	NA (+) Albumin < 3.7
Number (HCC-associated)	20,702 (105)	29,330 (234)	685 (37)	2,420 (73)
Youden index	0.646	0.497	0.369	0.215
Cutoff (ng/mL)	3.9	5.3	25.0	67.2
Sensitivity	80	65	49	33
Specificity	85	85	87	89