• 1. Department of Hepatobiliary & Pancreatic Surgery, The People’s Hospital of Leshan, Leshan, Sichuan 614000, P. R. China;
  • 2. Department of Hepatobiliary Surgery, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, P. R. China;
  • 3. Division of Biliary Tract Surgery, Department of General Surgery, West China Hospital, Sichuan University, Chengdu 610041, P. R. China;
  • 4. Liver Transplant Center, Transplant Center, West China Hospital, Sichuan University, Chengdu 610041, P. R. China;
  • 5. College of Clinical Medicine, North Sichuan Medical College, Nanchong, Sichuan 637000, P. R. China;
JIANG Kangyi, Email: jiangkangyi1988@163.com
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Objective To investigate the prognostic value of the alkaline phosphatase + gamma-glutamyl transpeptidase / platelet (AGPR) in predicting overall survival in patients with hepatocellular carcinoma (HCC) after curative hepatectomy, and to develop an AGPR-based nomogram prediction model to enhance the accuracy of prognostic risk stratification and individualized treatment decision-making. Methods This multicenter retrospective study included patients who underwent radical resection for HCC at the Affiliated Hospital of Southwest Medical University (2013–2023) as the training and internal validation sets, and at Leshan People’s Hospital (2018–2024) as the external validation set. Baseline characteristics, preoperative laboratory tests, surgical details, and pathological findings were collected. Optimal cutoff values for AGPR and the pan-immune-inflammation value (PIV) were determined using receiver operating characteristic (ROC) curves. Independent prognostic factors for overall survival were identified using univariate and multivariate Cox regression, then a nomogram was developed. Model performance was assessed using the area under the ROC curve (AUC), concordance index (C-index), calibration, and decision curve analysis for clinical utility assessment. Patients were stratified into low- and high-risk groups based on the median nomogram score, and overall survival was compared. Results A total of 618 patients were included: 250 in the training set, 167 in the internal validation set, and 201 in the external validation set. Optimal cutoff values were 1.06 for AGPR and 316.79 for PIV. Multivariate Cox regression identified alpha-fetoprotein (AFP), AGPR, PIV, and tumor diameter as independent prognostic factors (P<0.05). The nomogram predicting 1-, 3-, and 5-year overall survival rates achieved AUCs of 0.820, 0.734, and 0.727 in the training set; 0.784, 0.722, and 0.705 in the internal validation set; and 0.789, 0.703, and 0.702 in the external validation set. C-indices were 0.748, 0.701, and 0.692, respectively. The Hosmer-Lemeshow test indicated good calibration (P>0.05), and calibration curves aligned closely with the ideal diagonal. Decision curve analysis demonstrated clinical net benefit across all datasets. Low-risk patients had significantly better overall survival than high-risk patients (P<0.05). Conclusions AGPR is an independent prognostic factor for overall survival in HCC patients after radical resection. The nomogram incorporating AGPR, AFP, PIV, and tumor diameter exhibits favorable discrimination, calibration, and clinical utility, supporting its use for postoperative risk stratification and individualized treatment planning.

Citation: LIU Zhuoran, LI Jing, ZHAO Xin, XIE Qingyun, MAO Tianyang, FU Jinqiang, DU Bo, ZHENG Peng, WANG Hongyuan, ZHOU Heng, GAO Fengwei, JIANG Kangyi. Prediction model for overall survival after curative resection of hepatocellular carcinoma based on alkaline phosphatase + gamma-glutamyl transpeptidase / platelet: a multicenter study. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2026, 33(3): 324-330. doi: 10.7507/1007-9424.202601121 Copy

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