Construction of a new staging system for hepatocellular carcinoma
2006
Objective To construct a new staging scheme for patients with hepatocellular carcinoma(HCC).Methods A retrospective analysis of HCC cases from 1999 to 2003 was performed.The Cox model was used for multivariate analyses.The final model was derived from 10 randomly-chosen training samples and the prognostic validity of the new staging score was assessed on the corresponding testing samples.Results A simple scoring system was produced,assigning linear scores(0/1/2) to the covariates (TNM,α-fetoprotein,and Child-Pugh).Compared with Okuda stage and CLIP score,the new staging system,structured as a five-category tool,had a greater discriminant ability.Conclusion The new staging system,accounting for both liver function and tumor characteristics,can accurately identify patients with different prognoses,particularly in the advanced phases of HCC,thus representing a useful tool in the treatment of the disease.
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