Table 4.

Cox proportional hazards analyses, liver resection (n= 245)

Stage/score	HR	95% CI	P-value	c-statistic
Okuda staging system
A (n= 73)	Ref.	–	0.02	0.49
B (n= 116)	0.84	0.57–1.22
C (n= 2)	119	7.09–1993
IHPBA staging system
T1 (n= 30)	Ref.	–	0.92	0.48
T2 (n= 205)	0.96	0.58–1.60
T3 (n= 10)	0.82	0.30–2.22
CLIP score
0 (n= 180)	Ref.	–	0.45	0.51
1 (n= 41)	1.20	0.76–1.88
2 (n= 3)	2.34	0.57–9.57
3 (n= 0)	–	–
BCLC staging system
0 (n= 30)	Ref.	–	0.87	0.49
A1–A3 (n= 200)	0.97	0.58–1.61
A4 (n= 15)	0.80	0.33–1.94
JIS score
0 (n= 29)	Ref.	–	0.65	0.51
1 (n= 197)	0.93	0.56–1.54
2 (n= 17)	1.30	0.61–2.79
3 (n= 2)	2.23	0.29–16.9
AJCC/UICC staging system
T1 (n= 164)	Ref.	–	<0.001	0.59
T2 (n= 81)	2.14	1.53–3.00
Early HCC prognostic score
0 (n= 25)	Ref.	–	0.001	0.58
1 (n= 146)	1.04	0.56–1.90
2 (n= 74)	2.01	1.07–3.79

HR, hazard ratio; CI, confidence interval; Ref., referent; IHPBA, International Hepato-Pancreato-Biliary Association; CLIP, Cancer of the Liver Italian Programme; BCLC, Barcelona Clinic Liver Cancer; JIS, Japanese Integrated Staging; AJCC/UICC, American Joint Committee on Cancer/International Union Against Cancer, 6th edition; HCC, hepatocellular carcinoma