Table 4.

Comparison of performance between the hybrid model and staging systems on the validation Set (n = 129)

Performance	Hybrid model	BCLC system	p value	CNLC system	p value
C-index	0.706 (0.630, 0.783)	0.543 (0.494, 0.592)	< 0.001	0.630 (0.557, 0.703)	0.061
6-month tdAUC	0.710 (0.579, 0.842)	0.557 (0.488, 0.627)	0.005	0.711 (0.590, 0.832)	0.992
12-month tdAUC	0.739 (0.638, 0.840)	0.554 (0.490, 0.618)	< 0.001	0.710 (0.610, 0.811)	0.635
18-month tdAUC	0.732 (0.634, 0.830)	0.553 (0.492, 0.614)	< 0.001	0.654 (0.561, 0.748)	0.166
24-month tdAUC	0.743 (0.653, 0.834)	0.550 (0.489, 0.611)	< 0.001	0.635 (0.547, 0.723)	0.032

Statistically significant p values are bold

Data in parentheses are 95% confidence intervals