Optimal staging system for predicting the prognosis of patients with hepatocellular carcinoma in China: a retrospective study

Abstract

Background

Several staging systems have been developed to evaluate patients with hepatocellular carcinoma (HCC), including the China Staging System (CS), the American Joint Committee on Cancer (AJCC) tumor-node-metastasis (TNM) staging system, and seventh edition; the Barcelona Clinic Liver Cancer (BCLC) staging system, and Cancer of the Liver Italian Program (CLIP) staging system. The optimal staging system for to evaluate patients in China with HCC has not been determined. This study was designed to determine the optimal staging system for predicting patient prognosis by comparing the performances of these four staging systems in a cohort of Chinese patients with HCC.

Methods

This study enrolled 307 consecutive Chinese patients with HCC in Shandong Province. The performances of the CS, TNM, BCLC, and CLIP staging systems were compared and ranked using a concordance index. Predictors of survival were identified using univariate and multivariate Cox model analyses.

Results

The mean overall survival of the patient cohort was 12.08 ± 11.87 months. Independent predictors of survival included tumor size, number of lesions, tumor thromboses, cirrhosis, serum albumin level and serum total bilirubin level. Compared with the other three staging systems, the CS staging system showed optimal performance as an independent predictor of patient survival. The BCLC staging system showed the poorest performance; its treatment algorithm was not suitable for patients in this study.

Conclusions

CS was the most suitable staging system for predicting survival of patients with HCC in China.

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