TO EVALUATE THE PROGNOSTIC FACTORS IN USING BAYESIAN INTERVAL CENSORING ANALYSIS ON SURVIVAL RATE OF GASTRIC CANCER IN IRAN

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BAGHESTANI A.R.; HAJIZADEH E.; FATEMI S.R.

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Journal: Iranian Journal of Epidemiology Year:2010 | Volume:6 | Issue:3 Page(s): 18-21

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Title

TO EVALUATE THE PROGNOSTIC FACTORS IN USING BAYESIAN INTERVAL CENSORING ANALYSIS ON SURVIVAL RATE OF GASTRIC CANCER IN IRAN

Author(s)

BAGHESTANI A.R. | HAJIZADEH E. | FATEMI S.R. | Issue Writer Certificate

Keywords

BAYESIAN METHODQ2

INTERVAL CENSORINGQ3

PARAMETRIC MODELQ3

GASTRIC CANCERQ2

DEVIANCE INFORMATION CRITERIAQ3

Abstract

Background & Objectives: The Cox proportional-hazards regression and other PARAMETRIC MODELs model have achieved widespread use in the analysis of time-to-event data with censoring and covariates. However employing BAYESIAN METHOD has not been widely used or discussed. The aim of this study was to evaluate the prognostic factors in using Bayesian INTERVAL CENSORING analysis.Methods: This cohort study was based on 178 patients with GASTRIC CANCER from January 2003 to December 2007 admitted to Taleghani teaching hospital in Tehran. Known prognostic risk factors were entered into the analysis using Bayesian Weibull and Exponential models. The term DIC was employed to find best model.Results: The results were showed survival rate depended on age of diagnosis and tumor size. Those patients who had early diagnosis and/or had smaller tumor size were in lower risk of death.Conclusion: The age of diagnosis and tumor size of patients are important prognostic factors related to survival of patients with GASTRIC CANCER. Based on DIC, Bayesian analysis of the Weilbull model performed better than the Exponential model. As a result, if this cancer has been diagnosed early, the relative risk of death would reduce.

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APA: Copy

BAGHESTANI, A.R., HAJIZADEH, E., & FATEMI, S.R.. (2010). TO EVALUATE THE PROGNOSTIC FACTORS IN USING BAYESIAN INTERVAL CENSORING ANALYSIS ON SURVIVAL RATE OF GASTRIC CANCER IN IRAN. IRANIAN JOURNAL OF EPIDEMIOLOGY, 6(3), 18-21. SID. https://sid.ir/paper/120581/en

Vancouver: Copy

BAGHESTANI A.R., HAJIZADEH E., FATEMI S.R.. TO EVALUATE THE PROGNOSTIC FACTORS IN USING BAYESIAN INTERVAL CENSORING ANALYSIS ON SURVIVAL RATE OF GASTRIC CANCER IN IRAN. IRANIAN JOURNAL OF EPIDEMIOLOGY[Internet]. 2010;6(3):18-21. Available from: https://sid.ir/paper/120581/en

IEEE: Copy

A.R. BAGHESTANI, E. HAJIZADEH, and S.R. FATEMI, “TO EVALUATE THE PROGNOSTIC FACTORS IN USING BAYESIAN INTERVAL CENSORING ANALYSIS ON SURVIVAL RATE OF GASTRIC CANCER IN IRAN,” IRANIAN JOURNAL OF EPIDEMIOLOGY, vol. 6, no. 3, pp. 18–21, 2010, [Online]. Available: https://sid.ir/paper/120581/en

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