APPLIED THE ADDITIVE HAZARD MODEL TO PREDICT THE SURVIVAL TIME OF PATIENT WITH DIFFUSE LARGE B- CELL LYMPHOMA AND DETERMINE THE EFFECTIVE GENES, USING MICROARRAY DATA

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JAFARZADEH KOHNELOO A.; SOLTANIAN A.R.; POOROLAJAL J.; MAHJUB H.

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Paper Information

Journal: IRANIAN SOUTH MEDICAL JOURNAL (ISMJ) Year:2015 | Volume:18 | Issue:4 Page(s): 711-719

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Title

APPLIED THE ADDITIVE HAZARD MODEL TO PREDICT THE SURVIVAL TIME OF PATIENT WITH DIFFUSE LARGE B- CELL LYMPHOMA AND DETERMINE THE EFFECTIVE GENES, USING MICROARRAY DATA

Author(s)

JAFARZADEH KOHNELOO A. | SOLTANIAN A.R. | POOROLAJAL J. | MAHJUB H. | Issue Writer Certificate

Keywords

LYMPHOMAQ2

SURVIVAL ANALYSISQ2

VARIABLE SELECTIONQ3

ELASTIC NETQ2

LASSOQ2

Abstract

Background: Recent studies have shown that effective genes on survival time of cancer patients play an important role as a risk factor or preventive factor. Present study was designed to determine effective genes on survival time for diffuse large B-cell LYMPHOMA patients and predict the survival time using these selected genes.Materials & Methods: Present study is a cohort study was conducted on 40 patients with diffuse large B-cell LYMPHOMA. For these patients, 2042 gene expression was measured. In order to predict the survival time, the composition of the semi-parametric additive survival model with two gene selection methods ELASTIC NET and LASSO were used. Two methods were evaluated by plotting area under the ROC curve over time and calculating the integral of this curve.Results: Based on our findings, the ELASTIC NET method identified 10 genes, and LASSO-Cox method identified 7 genes. GENE3325X increased the survival time (P=0.006), Whereas GENE3980X and GENE377X reduced the survival time (P=0.004). These three genes were selected as important genes in both methods.Conclusion: This study showed that the ELASTIC NET method outperformed the common LASSO method in terms of predictive power. Moreover, apply the additive model instead Cox regression and using microarray data is usable way for predict the survival time of patients.

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APA: Copy

JAFARZADEH KOHNELOO, A., SOLTANIAN, A.R., POOROLAJAL, J., & MAHJUB, H.. (2015). APPLIED THE ADDITIVE HAZARD MODEL TO PREDICT THE SURVIVAL TIME OF PATIENT WITH DIFFUSE LARGE B- CELL LYMPHOMA AND DETERMINE THE EFFECTIVE GENES, USING MICROARRAY DATA. IRANIAN SOUTH MEDICAL JOURNAL (ISMJ), 18(4), 711-719. SID. https://sid.ir/paper/34137/en

Vancouver: Copy

JAFARZADEH KOHNELOO A., SOLTANIAN A.R., POOROLAJAL J., MAHJUB H.. APPLIED THE ADDITIVE HAZARD MODEL TO PREDICT THE SURVIVAL TIME OF PATIENT WITH DIFFUSE LARGE B- CELL LYMPHOMA AND DETERMINE THE EFFECTIVE GENES, USING MICROARRAY DATA. IRANIAN SOUTH MEDICAL JOURNAL (ISMJ)[Internet]. 2015;18(4):711-719. Available from: https://sid.ir/paper/34137/en

IEEE: Copy

A. JAFARZADEH KOHNELOO, A.R. SOLTANIAN, J. POOROLAJAL, and H. MAHJUB, “APPLIED THE ADDITIVE HAZARD MODEL TO PREDICT THE SURVIVAL TIME OF PATIENT WITH DIFFUSE LARGE B- CELL LYMPHOMA AND DETERMINE THE EFFECTIVE GENES, USING MICROARRAY DATA,” IRANIAN SOUTH MEDICAL JOURNAL (ISMJ), vol. 18, no. 4, pp. 711–719, 2015, [Online]. Available: https://sid.ir/paper/34137/en

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