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J Res Med Sci. 2019 Oct 25;24:86. doi: 10.4103/jrms.JRMS_1017_18. eCollection 2019.

Predictors of 5 year survival rate in hepatocellular carcinoma patients.

Author information

1
Colorectal Research Center, Iran University of Medical Sciences, Tehran, Iran.
2
Liver and Digestive Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Sanandaj, Iran.
3
Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran.
4
Department of Epidemiology, School of Public Health, Iran University of Medical Sciences, Tehran, Iran.

Abstract

Background:

Hepatocellular carcinoma (HCC) is one of the most common primary hepatic malignancies and growing challenges of global health. In this study, for the first time in Iran, we investigated the 5-year survival rate and prognostic factors in patients with HCC.

Materials and Methods:

In this historical cohort study, we examined the medical records of 227 HCC patients who were registered in the central tumor registry of our institution from September 2007 to September 2017. Demographic data, clinical parameters, received treatments, and survival curves from time of diagnosis were evaluated. Kaplan-Meier was used for univariate analysis, and multivariable analysis was performed by Cox regression.

Results:

A total of 208 (91.63%) patients were dead. The 5-year survival rate was estimated 19 (8.37%). The average follow-up in this study was 14.3 months. Overall median survival rate was 12.1 months. Univariate analysis showed that tumor size, metastasis, number of involved lymph node, hepatitis type, and treatment were significantly related to the survival rate, and Cox regression analysis revealed that the tumor size >3 cm (hazard ratio [HR] = 3.06, 95% confidence interval [CI] = 1.68-4.97; P = 0.027), involved lymph nodes >2 (HR = 4.12, 95% CI = 2.66-6.38; P = 0.001), metastasis (HR = 3.87, 95% CI = 3.13-6.54; P = 0.011), combination therapy with surgery and chemotherapy (HR = 0.4, 95% CI = 0.15-0.79; P = 0.023), and coinfection with hepatitis B virus and hepatitis C virus (HR = 2.11, 95% CI = 1.81-4.6; P = 0.036) are the most relevant prognostic factors with 5-year survival rate in patients with HCC.

Conclusion:

Results of this study will help estimate survival rates for patients with HCC according to their clinical status.

KEYWORDS:

Five-year survival rate; hepatocellular carcinomas; prognostic factors

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