EZ-ALBI Score for Predicting Hepatocellular Carcinoma Prognosis

Kazuya Kariyama, Kazuhiro Nouso, Atsushi Hiraoka, Akiko Wakuta, Ayano Oonishi, Teiji Kuzuya, Hidenori Toyoda, Toshifumi Tada, Kunihiko Tsuji, Ei Itobayashi, Toru Ishikawa, Koichi Takaguchi, Akemi Tsutsui, Noritomo Shimada, Masatoshi Kudo, Takashi Kumada

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Introduction: The ALBI score is acknowledged as the gold standard for the assessment of liver function in patients with hepatocellular carcinoma (HCC). Unlike the Child-Pugh score, the ALBI score uses only objective parameters, albumin (Alb) and total bilirubin (T.Bil), enabling a better evaluation. However, the complex calculation of the ALBI score limits its applicability. Therefore, we developed a simplified ALBI score, based on data from a large-scale HCC database.We used the data of 5,249 naïve HCC cases registered in eight collaborating hospitals. Methods: We developed a new score, the EZ (Easy)-ALBI score, based on regression coefficients of Alb and T.Bil for survival risk in a multivariate Cox proportional hazard model. We also developed the EZ-ALBI grade and EZ-ALBI-T grade as alternative options for the ALBI grade and ALBI-T grade and evaluated their stratifying ability. Results: The equation used to calculate the EZ-ALBI score was simple {[T.Bil (mg/dL)] - [9 × Alb (g/dL)]}; this value highly correlated with the ALBI score (correlation coefficient, 0.981; p < 0.0001). The correlation was preserved across different Barcelona clinic liver cancer grade scores (regression coefficient, 0.93-0.98) and across different hospitals (regression coefficient, 0.98-0.99), indicating good generalizability. Although a good agreement was observed between ALBI and EZ-ALBI, discrepancies were observed in patients with poor liver function (T.Bil, ≥3 mg/dL; regression coefficient, 0.877). The stratifying ability of EZ-ALBI grade and EZ-ALBI-T grade were good and their Akaike's information criterion values (35,897 and 34,812, respectively) were comparable with those of ALBI grade and ALBI-T grade (35,914 and 34,816, respectively). Conclusions: The EZ-ALBI score, EZ-ALBI grade, and EZ-ALBI-T grade are useful, simple scores, which might replace the conventional ALBI score in the future.

Original languageEnglish
Pages (from-to)734-743
Number of pages10
JournalLiver Cancer
Volume9
Issue number6
DOIs
Publication statusPublished - 12-2020
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Hepatology
  • Oncology

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