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Validation of the GALAD Model and Establishment of GAAP Model for Diagnosis of Hepatocellular Carcinoma in Chinese Patients

Authors Liu M, Wu R, Liu X, Xu H, Chi X, Wang X, Zhan M, Wang B, Peng F, Gao X, Shi Y, Wen X, Ji Y, Jin Q, Niu J

Received 11 July 2020

Accepted for publication 17 September 2020

Published 23 October 2020 Volume 2020:7 Pages 219—232

DOI https://doi.org/10.2147/JHC.S271790

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 3

Editor who approved publication: Dr Ahmed Kaseb


Miaoxia Liu,1,2,* Ruihong Wu,1,3,* Xu Liu,1 Hongqin Xu,1 Xiumei Chi,1,3 Xiaomei Wang,1 Mengru Zhan,1 Bao Wang,1 Fei Peng,1 Xiuzhu Gao,1,3 Ying Shi,1 Xiaoyu Wen,1 Yali Ji,2 Qinglong Jin,1 Junqi Niu1

1Department of Hepatology, First Hospital of Jilin University, Changchun, Jilin Province 130021, People’s Republic of China; 2Hepatology Unit, Department of Infectious Diseases, Nanfang Hospital, Southern Medical University, Guangzhou 510515, People’s Republic of China; 3Phase I Clinical Research Center, First Hospital of Jilin University, Changchun, Jilin Province 130021, People’s Republic of China

*These authors contributed equally to this work

Correspondence: Qinglong Jin
Department of Hepatology, First Hospital of Jilin University, 71 Xin Min Street, Changchun 130021, People’s Republic of China
Tel/Fax +86-431-81875103
Email jinql2016@163.com

Purpose: GALAD is a statistical model for estimating the likelihood of having hepatocellular carcinoma (HCC) based on gender, age, AFP, AFP-L3, and PIVKA-II. We aimed to assess its performance and build new models in China, where hepatitis B virus (HBV) is the leading etiology of HCC.
Patients and Methods: We built the GALAD-C model with the same five variables in GALAD, and the GAAP model with gender, age, AFP, and PIVKA-II, using logistic regression based on 242 patients with HCC and 283 patients with chronic liver disease (CLD). We also collected 50 patients with other malignant liver tumors (OMTs) and 50 healthy controls (HCs). A test dataset (169 patients with HCC and 139 with CLD) was used to test the performance of GAAP.
Results: The GALAD-C and GAAP models achieved comparable performance (area under the receiver operating characteristic curve [AUC], 0.922 vs 0.914), and both were superior to GALAD, PIVKA-II, AFP, and AFP-L3% (AUCs, 0.891, 0.869, 0.750, and 0.711) for discrimination of HCC from CLD for the entire dataset. The AUCs of the GALAD, GALAD-C and GAAP models were excellent for the hepatitis C virus (HCV) subgroup (0.939, 0.958 and 0.954), and for discrimination HCC from HCs (0.988, 0.982, and 0.979), but were relatively lower for the HBV subgroup (0.855, 0.904, and 0.894), and for HCC within Milan Criteria (0.810, 0.841, and 0.840). They were not superior to AFP (0.873) for discrimination of HCC from OMT (0.873, 0.809, and 0.823). GAAP achieved an AUC of 0.922 in the test dataset.
Conclusion: GALAD was excellent for discrimination of HCC from CLD in the HCV subgroup of a cohort of Chinese patients. The GAAP and GALAD-C models achieved better performance compared with GALAD. These three models exhibited better performance in patients with an HCV etiology than those with HBV.

Keywords: hepatocellular carcinoma, alpha-fetoprotein, PIVKA-II, GALAD

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