Usefulness of staging systems and prognostic scores for hepatocellular carcinoma treatments

Table 6 Comparison of prognostic performance of the NIACE, Barcelona Clinic Liver Cancer, Hong Kong Liver Cancer, and Cancer of the Liver Italian Program systems[44]

Score	Discriminatory ability linear trend test		Homogeneity likelihood ratio test		Akaike information criterion	C-index (95%CI)
	LT (χ2)	P value	LR (χ2)	P value
NIACE	91.6906	< 0.0001	532.0369	< 0.0001	10648.198	0.718 (0.688-0.748)
BCLC	79.0342	< 0.0001	380.4100	< 0.0001	10805.825	0.674 (0.645-0.704)
HKLC	71.8861	< 0.0001	455.3169	< 0.0001	10740.918	0.698 (0.673-0.731)
CLIP	87.2785	< 0.0001	430.3872	< 0.0001	10749.848	0.716 (0.687-0.746)

BCLC: Barcelona Clinic Liver Cancer; CLIP: Cancer of the Liver Italian Program; HKLC: Hong Kong Liver Cancer; LR: Likelihood ratio; LT: χ² linear trend test.