• Wei Peng, Chuan Li, Tian-Fu Wen, Lv-Nan Yan, Bo Li, Wen-Tao Wang, Jia-Yin Yang, and Ming-Qing Xu.
• Department of Liver Surgery & Liver Transplantation Center, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China.
• Medicine (Baltimore). 2016 Jul 1; 95 (30): e4160.

AbstractAn elevated preoperative aspartate aminotransferase (AST) to platelet ratio index (APRI) is reported to be a prognostic factor for patients with hepatocellular carcinoma (HCC) after treatment. However, delta APRI (ΔAPRI), which represents the change from preoperative to postoperative APRI, has received little attention. The present study was designed to evaluate the prognostic value of ΔAPRI in patients with small HCC after liver resection.A retrospective cohort study analyzing 244 patients with small HCC who had undergone liver resection was conducted. Medical data were retrieved from our prospectively maintained database. Patients were divided into 2 groups according to ΔAPRI as follows: group A (ΔAPRI ≥0.02) and group B (ΔAPRI <0.02). The association of demographic and clinical data, overall survival (OS), and recurrence-free survival (RFS) were statistically compared in the 2 groups, and a multivariate analysis was used to identify prognostic factors.The 1, 3, and 5-year OS of patients in group A were 94.2%, 79.5%, and 62.3%, respectively, and 95.1%, 87.9%, and 84.6%, respectively, for patients in group B (P = 0.001). The corresponding 1, 3, and 5-year RFS was 69.0%, 44.7 %, and 28.1%, and 77.4%, 57.0%, and 54.2% for patients in the 2 groups, respectively (P = 0.009). The results of a multivariate analysis indicated that ΔAPRI was an independent prognostic factor for both OS (P = 0.001, hazard ratio 3.115, 95% confidence interval 1.642-5.912) and RFS (P = 0.006, hazard ratio 1.689, 95% confidence interval 1.163-2.452).A positive ΔAPRI after liver resection predicts decreased OS and RFS in patients with small HCC.

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