International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Open Access | Fully Refereed | Peer Reviewed

ISSN: 2319-7064

Downloads: 261

Research Paper | Statistics | Nepal | Volume 3 Issue 6, June 2014

Accelerated Failure Time Models: An Application in the Survival of Acute Liver Failure Patients in India

Shankar Prasad Khanal, V. Sreenivas, Subrat K. Acharya

Accelerated Failure Time (AFT) models can be used for the analysis of time to event data to estimate the effects of covariates on acceleration/deceleration of the survival time. The effect of the covariate is measured through a log-linear model taking logarithm of the survival time as the outcome or dependent variable. Hence; the effect of covariate is multiplicative on time scale; and the results of AFT models may be easier to interpret as the covariate effects are directly expressed in terms of time ratio (TR). Some AFT models are applied to the data on time to death of hospitalized Acute Liver Failure (ALF) patients in All India Institute of Medical Sciences; New Delhi; India to identify the prognostic factors. This type of study is being carried out for the first time in Indian population using retrospective data of ALF patients using AFT models.

Keywords: Accelerated failure time models, acute liver failure, time ratio, time to event data

Edition: Volume 3 Issue 6, June 2014

Pages: 161 - 166

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How to Cite this Article?

Shankar Prasad Khanal, V. Sreenivas, Subrat K. Acharya, "Accelerated Failure Time Models: An Application in the Survival of Acute Liver Failure Patients in India", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=201445, Volume 3 Issue 6, June 2014, 161 - 166

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